Professor Foam 2pk Check Valve compatible with Graco P2 GC1904 23957-00 air

Professor Foam 2pk Check Valve compatible with Graco P2 GC1904 23957-00 airThis check valve fits P2 spray guns prior to 2013, spray guns GC1902 and GC1903. For spray guns after 2013, use check valve part number 16P010. Also available in a single pack.

Silicone Rubber

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

Also available in a 50 pack

Available as a 1-pack

this Viton O-ring is 90A

940 Inches | Nominal Outside

Also available with single use silicone lube for installment ease and o-ring protection

KM-1300NRF

Compatible with Graco 100846 and 15B689

275 inches Thickness This O-ring cord is made of black Viton and has a durometer of 75A

Use silcone grease to prolong rot and prevent clogging

Also available in EPR for greater resistance to chlorine