1 clamp o-ring +Lube compatible for Pentair 39300600 -Multiport Valve and Filter This is for 1 (One)

This is for 1 (One) Professor Foam brand replacement aftermarket complete o-ring  side seal kit

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

which is the Aerospace Size Standard for O-rings

Includes Mechanical Seal

1 clamp o-ring +Lube compatible for Pentair 39300600 -Multiport Valve and Filter This is for 1 (One)70 Shore clamp o ring replacement Fits Meteor Top Mount pool and spa sand filters Also fits pool and spa clamp on multiport valves Made of buna n material This is an aftermarket 70 shore o ring for a slightly tighter fit than the 50 shore o ring. Includes single use silicone lube for easier installation and added protection to the o ring.