View cart “591-26A Air Valve Assy.” 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 591-09 O Ring $4.50 Add to cart 591-26A Air Valve Assy. $19.95 Add to cart 591-39 Fluid Connector $9.95 Add to cart 591-01 Retaining Ring $14.95 Add to cart