“591-26A Air Valve Assy.” has been added to your cart. View cart 591-14A Air Bushing Assy.$36.95 591-14A Air Bushing Assy. quantity Add to cart Category: TB591 Adhesive Spray Gun Description Description Replacement Air Bushing Assembly Related products 591-01-1 Air Cap Clip $2.95 Add to cart 591-41 Packing Screw $2.50 Add to cart 591-02 Air Cap $29.95 Add to cart 591-03 Fluid Nozzle $29.95 Add to cart