Service kit for your Mk 5, 6 or 8 in 02 ready Viton

Procured from US and German sources for the best quality available.

Piston O-ring was only available in black 90 durometer but is Viton!

All others are standard brown color.

You Must Follow 02 Cleaning Protocol For All Other Parts Before Installing New O-Rings

I Am Not Associated With Scubapro In Any Way Shape Or Form. All Parts Are Aftermarket That Meet Or Exceed Manufactures Specification.