About This 💎 Industry Standard 20-inch by 2.5-inch Activated Block Carbon Filter - Keeps water fresh by reducing and removing iron, manganese, chlorine, hydrogen sulfide, herbicides, pesticides, and other industrial chemicals. As the first line of defense in the filtration system, protect your water using appliances and plumbing structure from, improve water quality and taste. 💎 This is a filter for a Whole House Water Filtration Unit or any type of Water Filtration Unit with a 20 inch housing and WELL-MATCHED Models of Cartridges: Hydronix HX-CB-25-2005, EP-20, FLTWH2025C-V, Tier1 EPM-20, iSpring FC25X4, KX 32-250-125-20, WCBCS20 💎 Product Lifetime: Replace two or three times a year - depending on your water quality and application. The highest quality, long-lasting materials give you up to 100,000 gallons of water filtration 💎 This filter is wrapped and sealed and meets NSF (National Science Foundation) Standards and Regulations. Dimensions: 20 inches x 2.5 inches (48.8 cm x 6.35 cm) 💎 WELL-FIT FOLLOWING HOUSINGS: iSpring WCB32C, WCB32O and RCB3P, Geekpure 122-20, KleenWater A-KWHT2520-KW2520BR-Bracket-Wrench, LifeSource Water System 43208-530, BA-FH2025-CLR3 Overview Material : Coconat Shel Carbon Product Dimensions : 3"D x 3"W x 20"H Item Weight : 2 Pounds External Testing Certification : NSF Product Benefits : Keeps water fresh by reducing and removing iron, manganese, chlorine, hydrogen sulfide, herbicides, pesticides, and other industrial chemicals. Keeps water fresh by reducing and removing iron, manganese, chlorine, hydrogen sulfide, herbicides, pesticides, and other industrial chemicals.