Hydro-Logic Green Coconut Carbon Filters Size:RO/Small Boy UV and infrared protection under

UV and infrared protection under HPS grow room lights

In situations where all life forms (eggs

Its low EC and stable pH make this coir such a supreme hydroponic and soilless medium that based on our testing

and powdery mildew throughout their life cycles

Ideal for mixing stock tanks and compatible with all dosing systems

Hydro-Logic Green Coconut Carbon Filters Size:RO/Small Boy UV and infrared protection underGreen Coconut Carbon Filters are the carbon block pre filter that will reduce chlorine, organic chemicals, VOCs, mercury, lead, PBCs, sulfur and heavy metals. #741604 is 20 in x 4. 5 in. #728845 is 20 in x 2. 5 in. #741646 is 10 in x 2. 5 in. #741656 is 20 in x 2. 75 in.