Green 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.
— Ships from H: WA, CA, CO, MI, TN, PA, FL USA.
For more information, please visit the manufacturer Hydro-Logic's website.