Hydro-Logic® Green Coconut Carbon Filters Size:Hydro-Logic Stealth RO/Small Boy Green - Coconut Carbon Filter It features a photocell to

It features a photocell to ensure daytime only dosing of CO2 via a generator or regulator

The Essential line of fabric pots are made from 220 gram weight material for great durability at an economical price

cost effective and produces premium results

Nitrozime® Marine Algae Extract is a plant nutrient supplement derived exclusively from ascophyllum nodosum seaweed

Hydro-Logic® Green Coconut Carbon Filters Size:Hydro-Logic Stealth RO/Small Boy Green - Coconut Carbon Filter It features a photocell toGreen 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. 5 in.