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 |  | Hydroponics : CO2 HOSE : Green Air Replace. CO2 Hose - use w/all Green Air Generators
 $34.95 |  | ![Hydroponics : (CT-DH-3) SYNCHRONIZED COOLING : Green Air Synchronized Cooling Thermostat/Dehumidistat/4 Outlet [model CT-DH-3]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2015_14701312) |  | Hydroponics : (CT-DH-3) SYNCHRONIZED COOLING : Green Air Synchronized Cooling Thermostat/Dehumidistat/4 Outlet [model CT-DH-3]
 $220.00 |
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![Hydroponics : (CT-DH-3P) SYNCHRONIZED COOLING W/PHOTO : Green Air Synchronized Cooling Thermostat/Dehumidistat/4 Outlet [model CT-DH-3]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2015_14703694) |  | Hydroponics : (CT-DH-3P) SYNCHRONIZED COOLING W/PHOTO : Green Air Synchronized Cooling Thermostat/Dehumidistat/4 Outlet [model CT-DH-3]
 $275.00 |  |  |  | Hydroponics : SENTINEL POWER EXP. 120-VOLT (PXM-1) : PXM-1 Power Expansion Module 120 Volt
 $92.95 |
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 |  | Hydroponics : SENTINEL ENVIRONMENTAL CONT. (EVC-2) : EVC-2 Environmental Controller
 $299.95 |  |  |  | Hydroponics : 6IN NET POTS (30/BAG) : EVC-1/Environmental Controller
 $1.20 |
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 |  | Hydroponics : SENTINEL UNIVERSAL TEMP. CONT. (UTC-1) : UTC-1/Universal Temperature Controller
 $144.95 |  |  |  | Hydroponics : SENTINEL DIGITAL RECYCLING TIMER (DRT-1) : DRT-1/Digital Recycling Timer
 $124.95 |
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 |  | Hydroponics : SENTINEL MASTER DIGITAL TIMER (MDT-1) : MDT-1/Master Digital Timer
 $209.95 |  |  |  | Hydroponics : SENTINEL COOLING THERMOSTAT (COOL-1) : COOL-1/Cooling Thermostat
 $69.95 |
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 |  | Hydroponics : SENTINEL POWER EXP. 240-VOLT (PXM-2) : PXM-2 Power Expansion Module 240 Volt
 $112.95 |  |  |  | Hydroponics : SENTINEL HIGH POWER HID CONT. (HPH-4) : HPH-4 High Power HID Controller
 $169.95 |
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 |  | Hydroponics : SENTINEL HIGH POWER HID CONT. (HPH-8) : HPH-8 High Power HID Controller
 $249.95 |  | ![Hydroponics : (IGS-220) CO2/RELATIVE HUMIDIT : iGS Day & Night CO2, Rel Hum & Temp Smart Control [model iGS-220]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2015_14725903) |  | Hydroponics : (IGS-220) CO2/RELATIVE HUMIDIT : iGS Day & Night CO2, Rel Hum & Temp Smart Control [model iGS-220]
 $999.00 |
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![Hydroponics : (IGS-012) HIGH TEMP WATCHDOG : iGS High Temperature Watchdog [model iGS-012]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2015_14728146) |  | Hydroponics : (IGS-012) HIGH TEMP WATCHDOG : iGS High Temperature Watchdog [model iGS-012]
 $109.00 |  |  |  | Hydroponics : FLAME KING LP GAS METER : Gas Meter
 $28.95 |
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![Hydroponics : (IGS-100) CO2 CONTROL W AUXILL : iGS CO2 Control w Auxiliary Shut Off Output [model iGS-100]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2015_14731956) |  | Hydroponics : (IGS-100) CO2 CONTROL W AUXILL : iGS CO2 Control w Auxiliary Shut Off Output [model iGS-100]
 $769.00 |  | ![Hydroponics : (IGS-110) DAY&NIGHT TEMP&RELAT : iGS Day & Night Temp & Relative Humidity Control [model iGS-110]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2015_14734020) |  | Hydroponics : (IGS-110) DAY&NIGHT TEMP&RELAT : iGS Day & Night Temp & Relative Humidity Control [model iGS-110]
 $439.00 |
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 |  | Hydroponics : CO2 DETECTOR TUBES (1 EA = BOX : CO2 Detector Tubes
 $39.95 |  |  |  | Hydroponics : IGS CO2 GENERATOR LP - 12000 BTU : IGS CO2 Generators
 $849.00 |
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 |  | Hydroponics : IGS CO2 GENERATOR NG - 12000 BTU : IGS CO2 Generators
 $879.00 |  |  |  | Hydroponics : IGS CO2 GENERATOR LP - 24000 BTU : IGS CO2 Generators
 $929.00 |
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 |  | Hydroponics : IGS CO2 GENERATOR NG - 24000 BTU : IGS CO2 Generators
 $969.00 |  |  |  | Hydroponics : IGS CO2 GEN. W/ HEAT. EX. LP - 12000 BTU : IGS CO2 Generators with Heat Exchangers
 $959.00 |
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 |  | Hydroponics : IGS CO2 GEN. W/ HEAT. EX. NG- 12000 BTU : IGS CO2 Generators with Heat Exchangers
 $989.00 |  |  |  | Hydroponics : IGS CO2 GEN. W/ HEAT. EX. LP - 24000 BTU : IGS CO2 Generators with Heat Exchangers
 $1,079.00 |
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 |  | Hydroponics : IGS CO2 GEN. W/ HEAT. EX. NG - 24000 BTU : IGS CO2 Generators with Heat Exchangers
 $1,129.00 |  |  |  | Hydroponics : SENTINEL VARI. CO2 GEN. LP 3000 (VCG-6) : Variable C02 Generators
 $469.95 |
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 |  | Hydroponics : SENTINEL VARI. CO2 GEN. NG 3000 (VCG-6) : Variable C02 Generators
 $469.95 |  |  |  | Hydroponics : SENTINEL VARI. CO2 GEN. LP 6000 (VCG-27) : Variable C02 Generators
 $649.95 |
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 |  | Hydroponics : SENTINEL VARI. CO2 GEN. NG 6000 (VCG-27) : Variable C02 Generators
 $649.95 |  |  |  | Hydroponics : HAR MAS REL 120Vx15amp-DISCONTINUED : Harvest-Master® Relays
 $79.90 |
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 |  | Hydroponics : HAR MAS REL 240Vx15amp -DISCONTINUED : Harvest-Master® Relays
 $159.00 |  |  |  | Hydroponics : OPTIMUM GROWTH C02 SYSTEM : Optimum Growth C02 System
 $169.95 |
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 |  | Hydroponics : OPTIMUM GROWTH DELUXE C02 SYSTEM W/TIMER : Optimum Growth C02 System with Timer
 $229.95 |  |  |  | Hydroponics : (CD-6NG) CO2 GENERATOR NATURAL : C02 Generators with LP Rated Hoses
 $620.00 |
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 |  | Hydroponics : (CD-12NG) CO2 GENERATOR NATURAL : C02 Generators with LP Rated Hoses
 $700.00 |  |  |  | Hydroponics : (CD-3LP) CO2 GENERATOR PROPANE : C02 Generators with LP Rated Hoses
 $510.00 |
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 |  | Hydroponics : (CD-3NG) CO2 GENERATOR NATURAL : C02 Generators with LP Rated Hoses
 $545.00 |  |  |  | Hydroponics : (CD-6LP) CO2 GENERATOR PROPANE : C02 Generators with LP Rated Hoses
 $600.00 |
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 |  | Hydroponics : (CD-12LP) CO2 GENERATOR PROPANE : C02 Generators with LP Rated Hoses
 $685.00 |  |  |  | Hydroponics : (CD-36LP) CO2 GENERATOR PROPANE : C02 Generators with LP Rated Hoses
 $845.00 |
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 |  | Hydroponics : (CD-36NG) CO2 GENERATOR NATURAL : C02 Generators with LP Rated Hoses
 $865.00 |  |  |  | Hydroponics : GAS PRO 6 NG GENERATOR W/CO2 S/0 : Solatel Gas Pro CO2 Generator & CO2 400 Controller
 $1,187.50 |
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 |  | Hydroponics : GAS PRO 6 BURNER NG CO2 GENERATOR S/O : Solatel Gas Pro CO2 Generator & CO2 400 Controller
 $831.00 |  |  |  | Hydroponics : GAS PRO 6 BURNER LP CO2 GENERATOR S/O : Solatel Gas Pro CO2 Generator & CO2 400 Controller
 $831.00 |
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 |  | Hydroponics : GAS PRO 12 BURNER NG CO2 GENERATOR S/O : Solatel Gas Pro CO2 Generator & CO2 400 Controller
 $998.95 |  |  |  | Hydroponics : GAS PRO 12 BURNER LP CO2 GENERATOR S/O : Solatel Gas Pro CO2 Generator & CO2 400 Controller
 $998.95 |
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 |  | Hydroponics : GAS PRO LP GENERATOR W/CO2 S/O : Solatel Gas Pro CO2 Generator & CO2 400 Controller
 $1,187.50 |  |  |  | Hydroponics : GAS PRO 12 NG GENERATOR W/CO2 S/O : Solatel Gas Pro CO2 Generator & CO2 400 Controller
 $1,363.00 |
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 |  | Hydroponics : GAS PRO 12 LP GENERATOR W/CO2 S/O : Solatel Gas Pro CO2 Generator & CO2 400 Controller
 $1,363.00 |  |  |  | Hydroponics : CO2 EASI KOOL KIT - DISCONTINUED : Harvest-Master® CO2 EASi Units
 $109.90 |
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 |  | Hydroponics : CO2 EASI UNIT - DISCONTINUED : Harvest-Master® CO2 EASi Units
 $649.00 |  |  |  | Hydroponics : HARV MASTER CO2 UPG- DISCONTINUED : Harvest-Master® CO2 Upgrade
 $649.00 |
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![Hydroponics : (THC-1) TOTAL HUMIDITY CONTROL : Green Air Total Humidity Controller - Humidify & Dehumidify [model THC-1]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2015_14811254) |  | Hydroponics : (THC-1) TOTAL HUMIDITY CONTROL : Green Air Total Humidity Controller - Humidify & Dehumidify [model THC-1]
 $145.00 |  |  |  | Hydroponics : HAR MAST CLIMPRO CONT-DISCONTINUED : Harvest-Master® Climate Pro Plus Controller
 $2,099.00 |
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 |  | Hydroponics : HARV MAST CLIM CONT - DISCONTINUED : Harvest-Master® Climate Controller
 $899.00 |  |  |  | Hydroponics : HARST MAS CLIMPROCONT-DISCONTINUED : Harvest-Master® Climate Controller
 $1,599.00 |
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 |  | Hydroponics : SENTINEL EXPANSION REGULATOR (CO2-EXP) : C02-EXP C02 Expansion Regulator
 $79.95 |  | ![Hydroponics : (BCDE-1) BOTTLE CO2 REGULATOR W/SOLENOID : Green Air Bottle CO2 Regulator & Solenoid [model BCDE-1]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2015_14820243) |  | Hydroponics : (BCDE-1) BOTTLE CO2 REGULATOR W/SOLENOID : Green Air Bottle CO2 Regulator & Solenoid [model BCDE-1]
 $240.00 |
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![Hydroponics : (IGS-040) DAY & NIGHT -DISCONTINUED : iGS Day & Night Cooling & Dehumidifying Control w Display [model iGS-040]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2015_14822312) |  | Hydroponics : (IGS-040) DAY & NIGHT -DISCONTINUED : iGS Day & Night Cooling & Dehumidifying Control w Display [model iGS-040]
 $279.00 |  | ![Hydroponics : (IGS-040R) REMOTE DAY&NIGHT CO : iGS Day & Night Cooling & Dehumidifying Control w Display [model iGS-040]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2015_14824373) |  | Hydroponics : (IGS-040R) REMOTE DAY&NIGHT CO : iGS Day & Night Cooling & Dehumidifying Control w Display [model iGS-040]
 $289.00 |
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 |  | Hydroponics : POWER EXPANDER 120V (PWX-1) : Solatel PWX-1 Power Expander (120V 15A)
 $95.00 |  |  |  | Hydroponics : PWX-D20 POWER EXP(SEQ)-DISCONTINUED : Solatel PWX-1 Power Expander (120V 15A)
 $149.95 |
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 |  | Hydroponics : EXT CABLE SET 4 EA-DISCONTINUED : Plant Pro Environmental Controller
 $35.00 |  |  |  | Hydroponics : PLANT PRO CONT (SYS 1)-DISCONTINUED : Plant Pro Environmental Controller
 $622.95 |
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 |  | Hydroponics : PLANT PRO CONTROLLER (SYSTEM 2) W/ CO2 : Plant Pro Environmental Controller
 $995.00 |  |  |  | Hydroponics : PWX-240-4 POWER EXPANDER 4 OUTLET : PWX Power Expanders
 $229.95 |
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 |  | Hydroponics : PWX-240-U POWER EXPANDER 6 OUTLET COMBO : PWX Power Expanders
 $249.95 |  |  |  | Hydroponics : (T12VDC) 12 VOLT DC ADAPTOR FOR CO2 : Green Air 12 Volt AC/DC Adaptor
 $20.00 |
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 |  | Hydroponics : SENTINEL CO2 REGULATOR (CO2-REG) : C02-REG C02 Regulator
 $144.95 |  | ![Hydroponics : (CDMC-7) CDDS-2 & CDM-7001 SENSOR : Green Air CDDS-2 & CDM-7001 Sensor [model CDMC-7]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2015_14842940) |  | Hydroponics : (CDMC-7) CDDS-2 & CDM-7001 SENSOR : Green Air CDDS-2 & CDM-7001 Sensor [model CDMC-7]
 $1,395.00 |
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 |  | Hydroponics : SENTINEL TOTAL ENVIRONMENT CONT (CHHC-1) : CHHC-1 Total Environmental Controller
 $669.95 |  |  |  | Hydroponics : SENTINEL CO2 CONT. W/ PHOTOCELL (CPPM-1) : CPPM-1 C02 Controller with Photocell
 $549.95 |
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![Hydroponics : (CST-1) CHRONOMETRIC SEQUENTIAL TIMER : Green Air Chronometric Sequential Timer [model CST-1]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2015_14850027) |  | Hydroponics : (CST-1) CHRONOMETRIC SEQUENTIAL TIMER : Green Air Chronometric Sequential Timer [model CST-1]
 $230.00 |  | ![Hydroponics : (CT-DH-4P) INDEPENDENT COOLING THERM/DEH : Green Air Synchronized Cooling Thermostat/Dehumidistat/4 Outlets [model CT-DH-4P]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2015_14852504) |  | Hydroponics : (CT-DH-4P) INDEPENDENT COOLING THERM/DEH : Green Air Synchronized Cooling Thermostat/Dehumidistat/4 Outlets [model CT-DH-4P]
 $300.00 |
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![Hydroponics : (CYCLESTAT-4P) REPEAT CYCLE TIMER : Green Air Repeat Cycle Timer [model CYCLESTAT 4P]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2015_14854867) |  | Hydroponics : (CYCLESTAT-4P) REPEAT CYCLE TIMER : Green Air Repeat Cycle Timer [model CYCLESTAT 4P]
 $170.00 |  | ![Hydroponics : (IGS-010) DAY&NIGHT CYCLE TIME : iGS Precision Day & Night Cycle Timer w Photocell & Display [model iGS-010]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2015_14857158) |  | Hydroponics : (IGS-010) DAY&NIGHT CYCLE TIME : iGS Precision Day & Night Cycle Timer w Photocell & Display [model iGS-010]
 $189.00 |
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![Hydroponics : (IGS-011) CYCLE TIMER W PHOTO : iGS Cycle Timer with Photocell [model iGS-011]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2015_14859216) |  | Hydroponics : (IGS-011) CYCLE TIMER W PHOTO : iGS Cycle Timer with Photocell [model iGS-011]
 $99.00 |  |  |  | Hydroponics : (IGS-020) DAY&NIGHT TEMP CONTR : iGS Day & Night Temperature Control W Display
 $189.00 |
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 |  | Hydroponics : (IGS-020R) REMOTE DAY&NIGHT TE : iGS Day & Night Temperature Control W Display
 $199.00 |  | ![Hydroponics : (IGS-021) DAY&NIGHT TEMP CONTR : iGS Day & Night Temperature Control [model iGS-021]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2015_14865198) |  | Hydroponics : (IGS-021) DAY&NIGHT TEMP CONTR : iGS Day & Night Temperature Control [model iGS-021]
 $109.00 |
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![Hydroponics : (IGS-030) DAY&NIGHT RELATIVE H : iGS Day & Night Humidity Control With Display [model iGS-030]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2015_14867164) |  | Hydroponics : (IGS-030) DAY&NIGHT RELATIVE H : iGS Day & Night Humidity Control With Display [model iGS-030]
 $229.00 |  | ![Hydroponics : (IGS-030R) REMOTE DAY&NIGHT RE : iGS Day & Night Humidity Control With Display [model iGS-030]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2015_14869211) |  | Hydroponics : (IGS-030R) REMOTE DAY&NIGHT RE : iGS Day & Night Humidity Control With Display [model iGS-030]
 $239.00 |
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![Hydroponics : (IGS-061) CO2 CONTROL W HIGH T : iGS CO2 Control w High Temp Shut Off Function [model iGS-061]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2015_14871258) |  | Hydroponics : (IGS-061) CO2 CONTROL W HIGH T : iGS CO2 Control w High Temp Shut Off Function [model iGS-061]
 $639.00 |  |  |  | Hydroponics : (IMS-100) AUTOMATIC DIALER ALARM : iMS 100 Automatic Dialer & Movement Detector Alarm
 $269.00 |
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![Hydroponics : (LT8-240) 8 LIGHT TIMER 240V : Green Air 8 Light Timer - 240 volts [model LT8-240]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2015_14875265) |  | Hydroponics : (LT8-240) 8 LIGHT TIMER 240V : Green Air 8 Light Timer - 240 volts [model LT8-240]
 $410.00 |  | ![Hydroponics : (MCC-1) MICROCLIMATE CONTROLLER SYSTEM : Green Air Microclimate Controller System/8 Outlet [model MCC-1]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2015_14877278) |  | Hydroponics : (MCC-1) MICROCLIMATE CONTROLLER SYSTEM : Green Air Microclimate Controller System/8 Outlet [model MCC-1]
 $770.00 |
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 |  | Hydroponics : HARVEST MASTER TEXT ME MODEM : Harvest-Master® Text Me Modem
 $867.00 |  |  |  | Hydroponics : POWER EXPANDER 240V (PWX-240-6) : Solatel PWX-240 Power Expander (240V - 30A)
 $249.95 |
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 |  | Hydroponics : PWX-240S POWER EXPANDER(20 SEC. DELAY) : Solatel PWX-240 Power Expander (240V - 30A)
 $299.95 |  |  |  | Hydroponics : THP-100 ATMOSPHERIC CONTROLLER : THP 100 Atmospheric Controller
 $259.95 |
 |
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![Hydroponics : (TEMP H/C-3) TEMPSTAT THERMOSTAT 3* F : Green Air Tempstat Thermostat 3F - Heating & Cooling [model H/C-3]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2015_14886010) |  | Hydroponics : (TEMP H/C-3) TEMPSTAT THERMOSTAT 3* F : Green Air Tempstat Thermostat 3F - Heating & Cooling [model H/C-3]
 $155.00 |  |  |  | Hydroponics : TITAN CO2 CONTROLLER : Titan CO2 Controller
 $270.00 |
 |
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![Hydroponics : (TSC-1) 24 HOUR TIMESTAT CONTROLLER : Green Air 24 hr. Timestat Controller [model TSC-1]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2015_14889639) |  | Hydroponics : (TSC-1) 24 HOUR TIMESTAT CONTROLLER : Green Air 24 hr. Timestat Controller [model TSC-1]
 $150.00 |  |  |  | Hydroponics : LAMP PRO TIMER 120V (LP120S) : Solatel LP 120S Lamp Pro Timer
 $279.95 |
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 |  | Hydroponics : LAMP PRO TIMER 240V (LP240S) : Solatel LP 240S Pro Lamp Timer - 240V 30A
 $299.95 |  | ![Hydroponics : (CDMC-6) CDDS-2 & CDM-6000 SENSOR : Green Air CDDS-2 & CDM-6000 Sensor [model CDMC-6]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2015_14896041) |  | Hydroponics : (CDMC-6) CDDS-2 & CDM-6000 SENSOR : Green Air CDDS-2 & CDM-6000 Sensor [model CDMC-6]
 $905.00 |
 |
 |
![Hydroponics : (LT4-120) 4 LIGHT TIMER 120V : Green Air 4 Light Timer - 120 volts [model LT4-120]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2015_14897812) |  | Hydroponics : (LT4-120) 4 LIGHT TIMER 120V : Green Air 4 Light Timer - 120 volts [model LT4-120]
 $310.00 |  | ![Hydroponics : (LT4-240) 4 LIGHT TIMER 240V : Green Air 4 Light Timer - 240 volts [model LT4-240]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2015_14899893) |  | Hydroponics : (LT4-240) 4 LIGHT TIMER 240V : Green Air 4 Light Timer - 240 volts [model LT4-240]
 $365.00 |
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 |  | Hydroponics : (ILS120-OFF) SWITCHER 120V OFF : iLS 120-OFF Plug-in 12 Amps On-switched Relay w/low current
 $89.00 |  | ![Hydroponics : (CT-HT-2) INDEPENDENT COOLING & HEATING : Green Air Independent Cooling & Heating Thermostat/4 0utlet [model CT-HT-2]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2015_14904110) |  | Hydroponics : (CT-HT-2) INDEPENDENT COOLING & HEATING : Green Air Independent Cooling & Heating Thermostat/4 0utlet [model CT-HT-2]
 $185.00 |
 |
 |
![Hydroponics : (CT-DH-1) INTEGRATED COOLING : Green Air Integrated Cooling Thermostat & Dehumidistat/4 Outlets [Model CT-DH-1]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2015_14906411) |  | Hydroponics : (CT-DH-1) INTEGRATED COOLING : Green Air Integrated Cooling Thermostat & Dehumidistat/4 Outlets [Model CT-DH-1]
 $185.00 |  | ![Hydroponics : (IGS-070) PLUG- IN MANUAL VARI : iGS Plug-In Manual Variable Speed Control [model iGS-070]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2015_14908705) |  | Hydroponics : (IGS-070) PLUG- IN MANUAL VARI : iGS Plug-In Manual Variable Speed Control [model iGS-070]
 $79.00 |
 |
 |
![Hydroponics : (SPC-1) CO2 SET POINT CONTROLLER : Green Air CO2 Set Point Controller [model SPC-1]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2015_14910479) |  | Hydroponics : (SPC-1) CO2 SET POINT CONTROLLER : Green Air CO2 Set Point Controller [model SPC-1]
 $549.00 |  |  |  | Hydroponics : (ILS4-240) LIGHTING LOAD SWITC : iLS4-240 Lighting Load Switch Box with Internal 0-20 Minutes On Delay 240 volt Outputs
 $239.00 |
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 |  | Hydroponics : (ILS4-120S) LIGHTING LOAD SWIT : iLS4-120S Light Load Switch W Internal 0-20 Minute On Delay
 $229.00 |  |  |  | Hydroponics : CO2 TEST KIT : CO2 Test Kit by Control Wizard
 $19.95 |
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