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Displaying 1 to 20 (of 29 products) Result Pages:  1  2  [Next >>] 
 Sort by Popularity   Manufacturer   Product(s)   Model   Price-   Buy Now 
 SUN SYSTEM HANDHELD PAR METER W/ REMOTE SENSOR   Sun System / Sunlight Supply   SUN SYSTEM HANDHELD PAR METER W/ REMOTE SENSOR 
PAR Meter with Remote Sensor Sun System« PAR Meter comes with an integrated sensor to measure photosynthetic active radiation (PAR). Use inside with Sun System grow lights or outside with natural sunlight. Simple and easy to use. Compact size with integrated sensor. 1 year warranty.... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 748205   $321.24 
 SUN SYSTEM HANDHELD PAR METER   Sun System / Sunlight Supply   SUN SYSTEM HANDHELD PAR METER 
PAR Meter with Integrated Sensor Sun System« PAR Meter comes with an integrated sensor to measure photosynthetic active radiation (PAR). Use inside with Sun System grow lights or outside with natural sunlight. Simple and easy to use. Compact size with integrated sensor. 1 year warranty.... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 748200   $273.64 
 Samsung Max & Vivace Replacement Programmable Thermostat      Samsung Max & Vivace Replacement Programmable Thermostat 
Wall Mounted Programmable Thermostat for Samsung Mini-Split Optional programmable thermostat for the Samsung Max Mini-Split systems.... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 700578   $249.84 
 Quantum Light Meter   HydroFarm   Quantum Light Meter 
Measures grow lights or sunlight 3 scales for precise readings Convenient hand-held remote sensor Lifetime silicon cell - includes battery, informative booklet with lighting recommendations and carrying case... — Ships from Seattle, Washington USA Free Shipping when ordering $50 or more of qualifying items....more.
 eco-5552   $187.84 
 Temp & Humidity Wireless Alert System      Temp & Humidity Wireless Alert System 
La Crosse Technology Temp & Humidity Wireless Alert System (LCT1111)Use a smartphone, tablet or computer to receive alerts and remotely monitor temperature and humidity levels that affect your greenhouse, garden or other sensitive plants.* Monitor ambient temperature and humidity to prevent damage to sensitive plants, frozen pipes or mold growth.* • Measures ambient air tempe... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-LCT1111   $96.35 
 Watertight Thermostat.      Watertight Thermostat. 
COOLING OR HEATING WATERTIGHT THERMOSTAT WITH 120 VOLT PIGGYBACK POWER CORDThis thermostat is wired and ready to go. Simply plug your fan into the piggy back power cord. It is water tight with a protective plastic cover. Nice unit. Gas filled coil thermostat for great reliability and accuracy. Turns equipment ON at 4 degrees above the set point and OFF 3 degrees below set point. Ma... — Ships from Portland, Oregon USA...more.
 FA201   $90.72 
 Watertight Thermostat.      Watertight Thermostat. 
COOLING OR HEATING WATERTIGHT THERMOSTAT. HARDWIRE 120 OR 240. Made in HollandThis thermostat requires you to hardwire a piggy back power cord into it or install it in-line through your wall outlet electrical system. Comes with instructions.... — Ships from Portland, Oregon USA...more.
 FA200   $62.42 
 Light Meter - HortiCare LITEcheck   Trans Instruments   Light Meter - HortiCare LITEcheck 
Light Meter - HortiCare LITEcheck (716022)Light Meter - HortiCare LITEcheck Plants have an optimal intensity of light. The process of photosynthesis is maximized and plant growth is greatest at this optimal intensity. If the level of light is less, growth is reduced. In a typical plant, light level of 400 foot Candle is just enough for the rate of photosynthesis to equal the rate o... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716022   $58.25 
 LUXPRO« PROGRAMMABLE DIGITAL THERMOSTAT   P3 International   LUXPRO« PROGRAMMABLE DIGITAL THERMOSTAT 
LuxPro PSP300 Programmable Digital Thermostat Easy to program. Separate programs for heating and cooling. Temporary and constant temperature override. Three year warranty. Plugs into normal 120 volt 15 amp electrical outlet. 5-minute short cycle protection. ... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 734130   $53.49 
 Grower's Edge Digital Thermometer / Hygrometer w/ Remote Sensor      Grower's Edge Digital Thermometer / Hygrometer w/ Remote Sensor 
Grower's Edge Thermometer/Hygrometer with Sensor Large screen digital readout. Wireless sensor transmits up to 50 feet. Expandable to accept 2 additional sensors. Waterproof casing is chemical and UV resistant. Displays degrees in F or C. Wireless Sensor - For use with Grower's Edge Digital Thermometer & Hygrometer #716555. Transmits up to 50 feet. 2 AAA batteries included. R... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716555   $28.50 
 Wireless Weather Station w/Moon Phase      Wireless Weather Station w/Moon Phase 
La Crosse Technology Wireless Weather Station w/Moon Phase (LCT9066)Track what the weather is doing wirelessly. Receive outdoor temperature & humidity indoors. Included outdoor transmitter that has a range within 330 ft. Indoor display monitors indoor temp & humidity and moon phase. Manual 12 or 24 set time and requires 4 AAA batteries (not included.) Features• 8 Moon phase i... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-LCT9066   $24.95 
 Digital Thermometer/Hygrometer.      Digital Thermometer/Hygrometer. 
Digital LCD Minimum, Maximum thermometer and humidity device. Allows you to reset minimum and maximum settings. Large letters for easy reading. Comes with 1 AA battery. This is not a controller. Displays the readings only. Very nice! Almost 4 1/2 height x 4 length almost 1 inch depth (thickness) screen is 2 1/2 x 3 inches.... — Ships from Portland, Oregon USA...more.
 MI419   $24.35 
 Moisture/Light Meter.      Moisture/Light Meter. 
RAPITEST MOISTURE AND LIGHT METER WITH PROBE.... — Ships from Portland, Oregon USA...more.
 MI212   $22.40 
 High/Low Thermometer.      High/Low Thermometer. 
Farmtek High/Low Thermometer. Records the days high and low temperatures. Uses real mercury for accurate readings. The small red wand detaches and you pull the indicator back in contact with the mercury to reset. Great product.... — Ships from Portland, Oregon USA...more.
 MI730   $21.42 
 GRO1 Wireless Weather Station + Sensor      GRO1 Wireless Weather Station + Sensor 
GRO1 Wireless Weather Station + Sensor (301005)The Gro1 Wireless Weather Station + Sensor is the perfect system to help keep track of the temperature and humidity in multiple grow rooms or greenhouses. The station comes with 1 sensor, but can pair with up to 3, each with a wireless range of up to 165 feet. Additional sensors may be purchased separately (product #301015). This weath... — Ships from Livermore, California USA...more.
 dl-301005   $20.13 
 12" Temperature/Humidity Gauge   HydroFarm   12" Temperature/Humidity Gauge 
12" Temperature/Humidity Gauge (HGTHG)Get temperature and humidity levels at a glance -- even from across the room. The Active Air temperature humidity gauge has a familiar clock face with large numbers on a large 12" dial. You'll always be informed of the climate in your growing environment.   Manufacturer's Product Informat... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HGTHG   $19.60 
 Temperature/Humidity Gauge      Temperature/Humidity Gauge 
12" Temperature/Humidity Gauge Get temperature and humidity levels at a glance -- even from across the room. The Active Air temperature humidity gauge has a familiar clock face with large numbers on a large 12" dial. You'll always be informed of the climate in your growing environment. SKU: HGTHG ... — Ships from Seattle, Washington USA...more.
 eco-2369   $17.53 
 Hydrofarm Light Meter   HydroFarm   Hydrofarm Light Meter 
Hydrofarm Light Meter (eco-4541)Hydrofarm Light Meter (Footcandles) Hydrofarm Light Meter Photosynthesis & Plant Growth depend on the sun or specially designed lighting systems. But of that light reaching the plant, only specific types of energy (in the lighting spectrum) drive the photosynthesis process. Since light is the most important single factor affecting your... — Ships from Seattle, Washington USA...more.
 eco-4541   $16.80 
 Active Air Hygro-Thermometer   HydroFarm   Active Air Hygro-Thermometer 
Active Air Active Air Hygro-Thermometer (HGIOHTJ)You'll find multiple uses for and multiple places to put this Active Air hygro-thermometer. Check the large number LCD display from a distance, and move it around with you as you go about your gardening tasks. The hygro-thermometer's readings are extremely accurate. Prop it up on your workspace, close to your plants, or wall-mou... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HGIOHTJ   $15.67 
 Active Air Indoor-Outdoor Thermometer w/Hygrometer   HydroFarm   Active Air Indoor-Outdoor Thermometer w/Hygrometer 
Active Air Active Air Indoor-Outdoor Thermometer w/Hygrometer (HGIOHT)Active Air's indoor-outdoor thermometer gives you more. Made of sturdy materials to stand up to the climate of your indoor grow room, this essential tool features a large display to read the current temperature and humidity levels. A remote probe allows you to sample two temperatures at once and record the high a... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HGIOHT   $14.24 
Displaying 1 to 20 (of 29 products) Result Pages:  1  2  [Next >>] 
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6 Outlet Air Manifold
I emailed and asked what size tubing this took. I was told i ..
3 of 5 Stars!
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Most Viewed in Instruments, Thermometers, Hygrometers & Light Meters
Grower's Edge Large Display Thermometer / Hygrometer (20/Cs)
Grower's Edge Large Display Thermometer / Hygrometer (20/Cs)
High/Low Thermometer.
High/Low Thermometer.
Digital Thermometer/Hygrometer.
Digital Thermometer/Hygrometer.
Grower's Edge Digital Thermometer / Hygrometer w/ Remote Sensor
Grower's Edge Digital Thermometer / Hygrometer w/ Remote Sensor
Hydrofarm Light Meter
Hydrofarm Light Meter
LUXPRO« PROGRAMMABLE DIGITAL THERMOSTAT
LUXPRO« PROGRAMMABLE DIGITAL THERMOSTAT
Indoor Weatherman.
Indoor Weatherman.
Watertight Thermostat.
Watertight Thermostat.
Watertight Thermostat.
Watertight Thermostat.
Moisture/Light Meter.
Moisture/Light Meter.
Thermometer.
Thermometer.
Light Meter - HortiCare LITEcheck
Light Meter - HortiCare LITEcheck
13" Round Thermometer
13" Round Thermometer
SUN SYSTEM HANDHELD PAR METER
SUN SYSTEM HANDHELD PAR METER
SUN SYSTEM HANDHELD PAR METER W/ REMOTE SENSOR
SUN SYSTEM HANDHELD PAR METER W/ REMOTE SENSOR
MINI GREENHOUSE THERMO-HYGROMETER
MINI GREENHOUSE THERMO-HYGROMETER
Quantum Light Meter
Quantum Light Meter
Temperature/Humidity Gauge
Temperature/Humidity Gauge
GRO1 Wireless Weather Station + Sensor
GRO1 Wireless Weather Station + Sensor
Samsung Max & Vivace Replacement Programmable Thermostat
Samsung Max & Vivace Replacement Programmable Thermostat
Bestsellers
01.Grower's Edge Large Display Thermometer / Hygrometer (20/Cs)
02.High/Low Thermometer.
03.Grower's Edge Digital Thermometer / Hygrometer w/ Remote Sensor
04.Hydrofarm Light Meter
05.Digital Thermometer/Hygrometer.
06.Indoor Weatherman.
07.LUXPRO« PROGRAMMABLE DIGITAL THERMOSTAT
08.GRO1 Wireless Sensor
09.Moisture/Light Meter.
10.GRO1 Wireless Weather Station + Sensor
11.SUN SYSTEM HANDHELD PAR METER W/ REMOTE SENSOR
12.Temperature/Humidity Gauge
13.Watertight Thermostat.
14.Quantum Light Meter
15.SUN SYSTEM HANDHELD PAR METER
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