Hydro-Logic® KDF/Catalytic Carbon Upgrade Filters Size:Hydro-Logic Big Boy KDF85/Catalytic Carbon Upgrade Filter Provides high phosphorous

Provides high phosphorous

Crucial secondary trace elements enhance photosynthesis and respiration

releasing only clean water to the irrigation system

Install vertically or horizontally depending on your gardening application

Accuracy variance = +/-5g

Hydro-Logic® KDF/Catalytic Carbon Upgrade Filters Size:Hydro-Logic Big Boy KDF85/Catalytic Carbon Upgrade Filter Provides high phosphorousKDF Catalytic Carbon Filters reduce iron, sulfur, chlorine, chloramines and heavy metals. Great for city or well water! Bacteriostatic qualities do not allow microbes to breed in filter. Doubles standard green carbon filter. #741622 is 10 in x 2. 5 in. #741624 is 20 in x 2. 5 in. #741626 is 20 in x 4. 5 in.