Mixing Chamber Kit compatible for Graco GC2502, 246628 + GC0069, GC2512 Kit you need a smaller o-ring

you need a smaller o-ring

Any and all words of trademarked products and uses of such

Viton O-ring has a shore durometer of 75A

aromatic hydrocarbons (benzene) and aliphatic hydrocarbons (propane)

Also available with NiResist Seal or Ceramic Seal and Buna elastomers

Mixing Chamber Kit compatible for Graco GC2502, 246628 + GC0069, GC2512 Kit you need a smaller o-ringContains 1 mixing chamber, 1 set of drill bits, 1 02 chamber insert A Quality o rings = 2 of 248128 7554 07 23974 07. Do not swell in solvents. Pay less and keep more profit! Spray Foam, Coatings, and Spray On Bedliner Contractors! Avoid the High cost of spare parts! USING Genuine Professor Foam Parts DOES NOT VOID YOUR FACTORY WARRANTY!!!!