CS 256999 Dosing Piston O-Ring Kit

CS 256999 Dosing Piston O-Ring Kit available from SPF Depot for spray foam equipment maintenance and contractor applications. Part number CS-256999.

O Ring kit includes 3 of the small and 1 large O ring PLUS the SPF Snap Ring for easier removal. Graco does not offer o rings for the Dosing Piston. O-Rings are special coated to resist swelling from the Graco ClearShot and SPF-Blue Fluid. DO NOT INTERCHANGE with other seals of the same size. They will melt.