View cart “591-01 Retaining Ring” has been added to your 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 591-20 Needle $19.95 Add to cart 591-31A Air Inlet Assy. $9.95 Add to cart 591-09 O Ring $4.50 Add to cart 591-44 Stud $3.50 Add to cart