Hydro-Logic Merlin GP Green Carbon Filter

Green Coconut Carbon Filters are the carbon block pre-filter that will reduce chlorine, organic chemicals, 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.