HD-950 Culligan Compatible O-ring - Filter Housing Replacement O-ring, Set of 6 Stainless Steel Water Filters The KW517 is comprised of

The KW517 is comprised of granulated activated carbon infused with lead removal natural zeolites and KDF media

Dimensions: 2 1/2 Inch x 40 Inch

3M Cuno CFS9812X Compatible Replacement Water Filter Cartridge by KleenWater - Made in the USA

The oring is constructed of Buna nitrile rubber which is the preferred material recognized for its superior characteristics

HD-950 Culligan Compatible O-ring - Filter Housing Replacement O-ring, Set of 6 Stainless Steel Water Filters The KW517 is comprised ofCulligan HD 950 Compatible Water Filter Housing Replacement O ring, Set of 6 This KleenWater brand KW101 o ring will accommodate filter housings which require large diameter cartridges. These cartridges have an approximate diameter of 4. 5 inches. The o ring itself actually measures approximately 5. 465 inch (inside diameter). We recommend consumers keep a spare o ring on hand to avoid urgent situations. An o ring facilitates a water tight seal