Check the listing for details. (3 Pack) WHKF-C8 Orings for Whirlpool WHKF-DWHV, DWH, DUF, WHCF-DWHV. Condition: New. Listed at 11.69 USD. (3 Pack) WHKF-C8 Orings for Whirlpool WHKF-DWHV, DWH, DUF, WHCF-DWHV Product Features: Replacement O-Rings for the following Whirlpool filter housings that use a 2.5 inch cartridge (WHKF-DWH, WHKF-DWHV, WHCF-DWHV, WHCF-DUF, and WHKF-DUF) O-Ring Part Number: WHKF-C8. Includes three (3) o-rings O-Ring inner dimension 3.48 inch x 0.14 inch (88mm x 3.53mm). Please note that these o-rings are for filters that accept the thinner 2.5” wide filter cartridge and not the larger 4.5” wide filter cartridge. Molded from NSF 61 certified buna-n rubber for safe and clean drinking water. Manufactured and warrantied by Captain O-Ring LLC. Proudly assembled in the USA! Three (3) replacement WHKF-C8 o-rings for your Whirlpool Filter. Compatible with Whirlpool filter housings WHKF-DWH, WHKF-DWHV, WHCF-DWHV, WHCF-DUF, and WHKF-DUF. Captain O-Ring's top quality replacement o-rings create a watertight seal between your water filter sump and the water filter head. What to expect: This item includes three (3) O-Rings in a resealable zip-top poly bag with "Captain O-Ring" branded packaging. Manufactured and warrantied against defect for one year by Captain O-Ring LLC. "Captain O-Ring" is a registered trademark of Captain O-Ring LLC.