“591-14A Air Bushing Assy.” has been added to your cart. View cart 591-31A Air Inlet Assy.$9.95 591-31A Air Inlet Assy. quantity Add to cart Category: TB591 Adhesive Spray Gun Description Description Replacement Air Inlet Assembly Related products 591-03 Fluid Nozzle $29.95 Add to cart 591-06 Lock Screw $12.50 Add to cart 591-42 Retaining Ring $3.50 Add to cart 591-02 Air Cap $29.95 Add to cart