Block the bugs—and so much more! Our Bug Shield plastic mesh bug screen catches insects of all kinds, as well as stopping potentially damaging fungal spores. Use it on your fans and ducting, as it is suitable for both intake and exhaust purposes. The Bug

Block the bugs—and so much more! Our Bug Shield plastic mesh bug screen catches insects of all kinds, as well as stopping potentially damaging fungal spores. Use it on your fans and ducting, as it is suitable for both intake and exhaust purposes. The Bug

Active Air 6" Inline Duct Fan, 400 CFM Active Air Inline Duct Fans offer innovation and performance at a great price. With a full line of fans to meet your needs, all Active Air Fans feature: Durable ceramic-coated metal housing UL-recognized compo

Active Air 4" Inline Duct Fan, 165 CFM Active Air Inline Duct Fans offer innovation and performance at a great price. With a full line of fans to meet your needs, all Active Air Fans feature: Durable ceramic-coated metal housing UL-recognized compo

The next advancement in carbon air filtration is here! Active Air Inline Carbon Filters are installed inline for maximum versatility in filter and fan placement. The carbon filter is no longer limited to being located inside the grow room! Most carbon

Active Air Inline Duct Fans offer innovation and performance at a great price. With a full line of fans to meet your needs, all Active Air Fans feature: Durable ceramic-coated metal housing UL-recognized components High quality molded impeller Low n

Space-saving design is ideal for your greenhouse, kitchen, office, nursery, and more—any area where space is limited and air circulation is desired. The spring-loaded plastic clip won't mar surfaces and the adjustable head directs air flow where you need

The Active Air ACF18 18" Wall Mount Oscillating Fan is equipped with 3 speed settings, widespread 90-degree oscillation action, and an adjustable vertical tilt for directional air flow. Perfect for areas with limited floor space. It is durably constructed

Active Air Inline Duct Fans offer innovation and performance at a great price. With a full line of fans to meet your needs, all Active Air Fans feature: Durable ceramic-coated metal housing UL-recognized components High quality molded impeller Low n

Active Air Inline Duct Fans offer innovation and performance at a great price. With a full line of fans to meet your needs, all Active Air Fans feature: Durable ceramic-coated metal housing UL-recognized components High quality molded impeller Low n

Active Air 8" Clip Fan, 10W 10W brushless motor for longer life Energy efficient, low voltage Ultra quiet operation Great for small gardens Clips to flood tables for air flow under foliage

Active Air Duct Fan Speed Adjuster Hydrofarm's Fan Speed Controller was designed especially for centrifugal fans. This means it will help prevent damage to fan motors, ensuring longer life. (Meant for use with brushless motors, and all Hydrofarm inline

Active Air Premium Ducting, 4" x 25' Active Air Premium Ducting is made of tough 3-ply aluminum foil laminate. It is designed for air-cooling and can be used in different forms of heating and ventilation applications. This product is made to resist pun

Active Air 3-Way Meter Gardeners can conveniently test their moisture, light, and pH levels with the handy Active Air 3-Way Meter. Moisture readings register on a scale of 0 (dry) to 10 (moist); light readings range from 0 LUX (low light) to 2000 LUX (

Active Air 2-Way Moisture pH Meter Gardeners can conveniently test moisture and pH levels with the handy Active Air 2-Way Meter. Moisture readings register on a scale of 0 (dry) to 10 (moist). pH readings between pH 3 (acidic) and pH 10 (basic) are rep

Active Air 20 lb CO2 Tank Store a large supply of carbon dioxide in a safe, portable container with our 20-pound all aluminum CO2 tank. Sold empty (you must fill with your own supply), the tanks stand 23.2" high and the slim design won't take up much s