Proven quality Leading technology Aftermarket Pump Repair Packing Kit 249123 All the leathers and machined parts are made of the highest quality materials. Compatible : It comes with all the seals to successfully rebuild your sprayer. It works on the following sprayers:GMAX II 7900 airless spray equipment can be used in coatings, latex paint, encaustic tile paint spraying, steel structure anticorrosive paint, epoxy zinc rich, true stone lacquer spraying, large powder putty, putty, crossed the road engineering, fire paint, renovation, etc Please read the description carefully to make sure this is accurate product you are looking for Please contact us if you have any questions about when or how to replace this part., Manufacturer: GDHXW