Active Air

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20LB C02 CYLINDER W/ 320 VALVE & BLACK

Store a large supply of carbon dioxide in a safe, portable container with our 20-pound all aluminum ..

$190.95

CO2 Gas Detection Tube 300-500

Sold in packs of 10. Active Air replacement CO2 gas detection tubes. For measuring CO2 levels, can ..

$5.00

CO2 Regulator for Hydrofarm CO2 System

This product is a replacement part for the old style HF COSYS, and is not a complete unit/system. C..

$79.95

CO2 regulator Inlet washer

Active Air washer O-ring for CO2 regulator inlet (replacement o-ring used where the regulator meets ..

$1.25

CO2 Tester Kit

We recommend measuring CO2 periodically to ensure optimum levels for growth. The Active Air CO2 Test..

$20.95

CO2 tube 1/4in /holes

Active Air 100 ft. CO2 Drilled Tubing. Use with CO2 regulator and tank to evenly distribute CO2 to y..

$29.95

Hydrofarm CO2 (.2-2 cu ft per hour) with Timer

Deliver growth-boosting CO2 with our user-friendly, easy to operate system. With its programmable ti..

$114.95

Hydrofarm CO2 (1-20 cu ft per hour) with Timer

Deliver growth-boosting CO2 with our user-friendly, easy to operate system. With its programmable ti..

$114.95

Tubing / CO2 / 20' drilled

Active Air 20 ft. CO2 Drilled Tubing. Use with CO2 regulator and tank to evenly distribute CO2 to yo..

$12.95

Valve, DIN & cord system

Replacement part. Solenoid for Hydrofarm's Active Air COSYS and COSYS20. This solid design includes ..

$55.95