Check the listing for details. Captain O-Ring Pentek 151362 Big Clear Water Filter Housing Orings (3 Pack). Color: Black, Condition: New. Listed at 13.19 USD. Captain O-Ring - Pentek 151362 Replacement Big Clear Water Filter Housing Buna-N O-Rings (3 Pack) Product Features: Part: Replacement Pentek Water 151362 O-Ring [Round-Cut] (3 Pack) Includes three (3) replacement o-rings (also called seals or gaskets) to repair your leaking water filter housing 151362 o-rings are approximately 5.48" Inside Diameter x 0.14" Thickness, Commonly used in Pentek 20" Big Clear Whole House Water Filter Housings such as Pentek housing # 166201. Material: Buna-N Manufactured and Warrantied by Captain O-Ring LLC, with decades of experience in the sealing and chemical industry. Captain O-Ring's replacement 151362 o-ring is a replacement for Pentek's 20" Big Clear filter housings (166201) as well as any other filter housing that call for o-ring part number 151362. Check your filter housing's manual to confirm the part number required. 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.