View cart “591-02 Air Cap” has been added to your cart. 591-09 O Ring$4.50 591-09 O Ring quantity Add to cart Category: TB591 Adhesive Spray Gun Description Description Replacement “O” Ring Related products 1 TB-591 Spray Gun $175.00 Add to cart 591-24A Replacement Needle Bushing Assembly $29.95 Add to cart 591-26A Air Valve Assy. $19.95 Add to cart 591-02 Air Cap $29.95 Add to cart