K294J Service Kit DOA/DAA

Gast K294J service/rebuild/repair kit used on oil-less diaphragm "lab" models with internal filtration. Service kit returns your unit to original factory performance specifications. Recommend for service every 2 years. Service kit includes: Leaf valve, Limiters, O-ring, Gasket, Filter/Muffler Elements. Also recommended for replacement: AF818A.