Pre-FIlter for Pro-Lite 6x24

Pre-Filter for Pro-Lite Filter 6 x 24 The Pre-Filter eliminates bigger particles such as dust to prevent premature usage of the carbon.

Pre-FIlter for Pro-Lite 6x16

Pre-Filter for Pro-Lite Filter 6 x 16 The Pre-Filter eliminates bigger particles such as dust to prevent premature usage of the carbon.

Pre-FIlter for Pro-Lite 4x12

Pre-Filter for Pro-Lite Filter 4 x 12 The Pre-Filter eliminates bigger particles such as dust to prevent premature usage of the carbon.

Pre-FIlter for Pro-Lite 14x50

Pre-Filter for Pro-Lite Filter 14 x 50 The Pre-Filter eliminates bigger particles such as dust to prevent premature usage of the carbon.

Pre-FIlter for Pro-Lite 12x40

Pre-Filter for Pro-Lite Filter 12 x 40 The Pre-Filter eliminates bigger particles such as dust to prevent premature usage of the carbon.

Y Connector 6"x4"x4"

Y Connector 4"x4"x4"

Made from strong galvanized steel construction, these Y connectors allow you to split ventilation into multiple areas with one fan. Using a Y-connector gives you double the possibilities—you can split a length of ducting into two separate runs of...

Reducer 8" - 6"

These galvanized duct reducers can be used with fans, ducting, air-cooled hoods, and ventilation systems. They allow you to connect two sides of different diameters (for example, mating ducting of one diameter to an inline fan of a different diameter)...

Ideal-Air Duct Collar Air Tight 6 in

Quick solution for easily connecting your ducting to your wall, floor or ceiling opening. 1.5in mounting flange with adhesive neoprene gasket for trouble-free, air-tight installation. Made from galvanized steel.

Quest 335 MERV-13 Replacement Filter

Quest 335 hyper-efficient standalone overhead dehumidifier featuring patented multi-coil refrigeration system, filter life compensating smart fan, patent-pending hybrid expansion valve, onboard digital controls, and scroll compressor.

Quest 335 Duct Kit

Quest 335 hyper-efficient standalone overhead dehumidifier featuring patented multi-coil refrigeration system, filter life compensating smart fan, patent-pending hybrid expansion valve, onboard digital controls, and scroll compressor.

Quest Dual 150 Overhead Dehumidifier (Freight/In-Store Pickup Only)

The Quest Dual 150 removes almost 20 gallons a day in your garden. This is our most powerful mid-sized overhead type dehumidifier.  Dollar per pint, the Quest Dual 150 is the most affordable professional-quality dehumidifier on the market today. The...

Quest Dual 110 Overhead Dehumidifier (Freight/In-Store Pickup Only)

The Quest Dual 110 was designed to be placed overhead and out of the way, but can also be placed at ground level for plug and play operation. The Dual 110 was designed to provide improved value while still offering solid performance and energy efficiency...

Quest Dual 105 Overhead Dehumidifier (Freight/In-Store Pickup Only)

The Quest Dual 105 was designed to be placed overhead and out of the way, but can also be placed at ground level for plug and play operation. The Quest Dual 105 was designed to be the most energy-efficient dehumidifier on the market. The Quest Dual 105...

Quest Dual 225 Overhead Dehumidifier 230 Volt (Freight/In-Store Pickup Only)

The Quest Dual 225 is the industry’s first 230 V commercial dehumidifier. Like all Quest products, it can be placed at ground level for plug and play operation or hung overhead out of the way. The Dual 225 is one of the most energy-efficient...

Active Air HD 12" Floor Fan

Our Active Air Floor Fans are durable, high-performance circulation floor fans that feature a redesigned motor engineered for continuous use. Each unit has been manufactured to ensure safety, reliability, and ease of use. Offering 3-speed push button...

CO2 regulator Inlet washer

Active Air washer O-ring for CO2 regulator inlet (replacement o-ring used where the regulator meets your CO2 tank for a tight seal).

Quest F9 Industrial Air Mover / Fan

The Quest F9 is a low-profile industrial air mover that easily fits into your garden where space is coveted. Quest concluded that grow tables are trapping CO2 underneath the plants, because it’s heavier than air. This makes it more difficult for your...

Legacy Beta Series Digital Controller (Day/Night Humidity 110V)

Digital Day / Night Humidity （BETA-6）   The BETA-6 features a precision humidity sensor within a 16ft remote probe assembly. Simply plug in your humidity / dehumidify device to the power outlet on the bottom of the BETA-6. The user can select...

Legacy Beta Series Digital Controller (Day/Night Temperature)

Digital Day / Night Temperature Controller（BETA-4）   The BETA-4 is capable of controlling any heating or cooling device that is 10-amps or less. Simply plug in your device to the power outlet on the bottom of the BETA-4.  It uses 3-buttons a...

Legacy Beta Series Digital Controller (Day/Night Fan Speed)

Digital Day / Night Fan Speed Controller （BETA-2）   The BETA-2 can control variable-speed fans by using the current temperature to increase or decrease the fan speed. By increasing the fan speed, cooling is increased… decreasing fan speed will...

Digital Day/Night Remote controller (For remote controlled AC ie Mini Split)

Digital Day/Night Remote Controller （BETA-1）   The Beta-1 is a simple solution for the Mini Split Air Conditioners.  It uses the remote control that came with your mini split air-conditioner to “learn” how to change the setpoints on the...

Legacy Hawkeye 3-in-1 Monitor & Logger

Hawkeye（CM-1）   The Hawkeye from TrolMaster provides an economical and accurate method to monitor an enclosed space. Some users simply need to monitor the temperature, humidity and CO2 and VPD levels without the need to actually control any devices...