About This Improve water taste. Reduce certain VOC’s, pesticides, chlorine, odor & last step sediment filtration. Easy replacing, no tools needed, no professional experience needed. Rip the film through the expired cartridge and put the new one into the housing. Specifications: 20" x 4.5" Filter Cartridge, Operating Pressure: 25-116 PSI. No pressure drops, up to 15 GPM. 100,000 gallons water capacity. Need to be replaced every 6 months. Model: WF-CB20BB. NSF certified carbon block, high effective filtration of water for certain VOC’s, pesticides, chlorine, odor & last step sediment filtration. The cartridge is characteristic of the high capacity of dirt, low pressure drops, high flow rate, good chemical resistance. Overview Material : Carbon Fiber Product Dimensions : 4.5"D x 4.5"W x 20"H External Testing Certification : NSF Product Benefits : Removes certain VOCs, pesticides, chlorine, and sediment; improves water taste; maintains high water flow rate with no pressure drops. Removes certain VOCs, pesticides, chlorine, and sediment; improves water taste; maintains high water flow rate with no pressure drops. Brand : HQUA