View cart “591-05 Air Ring” has been added to your cart. 591-02 Air Cap$29.95 591-02 Air Cap quantity Add to cart Category: TB591 Adhesive Spray Gun Description Description Replacement Air Cap Related products 591-31A Air Inlet Assy. $9.95 Add to cart 591-39 Fluid Connector $9.95 Add to cart 591-07 Platen $14.50 Add to cart 591-24A Replacement Needle Bushing Assembly $29.95 Add to cart