Active Air CO2 regulator Inlet washer control system The HI12943 is a pH

The HI12943 is a pH electrode for the direct measurement of pH in soil and soilless media

The post-activated carbon block layer reduces taste and odor to improve the taste of water

Grodan has a tremendous capacity for absorbing nutrient solution while retaining plenty of oxygen for rapid plant growth

Smooth-sided pots for easy plant removal

Makes up to 5 gal

Active Air CO2 regulator Inlet washer control system The HI12943 is a pHDescription Active Air Washer O Ring: This is a replacement o ring used where the regulator meets your CO2 tank. It guarantees a tight seal to ensure the effective operation of your system. Specifications Length: 5 Inches Height: 0. 5 Inches Width: 3. 5 Inches Weight: 0. 1 Lbs Unit: Each