591-09 O Ring$4.50 591-09 O Ring quantity Add to cart Category: TB591 Adhesive Spray Gun Description Description Replacement “O” Ring Related products 591-14A Air Bushing Assy. $36.95 Add to cart 591-03 Fluid Nozzle $29.95 Add to cart 591-31A Air Inlet Assy. $9.95 Add to cart 591-07 Platen $14.50 Add to cart