1 clamp o-ring +Lube compatible for Pentair 39300600 -Multiport Valve and Filter but 10 o-rings of the

but 10 o-rings of the one size

which is the Aerospace Size Standard for O-rings

This is an aftermarket 70-shore o-ring for a slightly tighter fit than the 50 shore o-ring

Includes Mechanical Seal

1 clamp o-ring +Lube compatible for Pentair 39300600 -Multiport Valve and Filter but 10 o-rings of the70 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.