5 pack +Lube Compatible for CLX200K Fits Hayward Lid O-Ring CL200 / CL220 O-101 Certified to ANSI / NSF-61

Certified to ANSI / NSF-61 standards and is designed for use in potable water systems where NSF certification is required

Nitrile double lip spring double case bore coat

F-500BAF-C

Durometer (hardness) of 75A for resistance to penetration

Sems 8-32x1/2

5 pack +Lube Compatible for CLX200K Fits Hayward Lid O-Ring CL200 / CL220 O-101 Certified to ANSI / NSF-61( 5 Pack ) CLX200K aftermarket Lid Replacement O rings These o rings are Peroxide Cured EPDM high resistance to chlorine Be sure you remove any dirt and debris from lid threads and use proper lube (not Petroleum) before use FREE 1 G tubes of Silicone PTFE lube Be aware all of the reviews from 2015 and earlier were based on products that Professor Foam did NOT sell! Professor Foam started selling his EPDM Chemical resistant o rings in 2016! The