“591-26A Air Valve Assy.” has been added to your cart. View cart 591-05 Air Ring$5.50 591-05 Air Ring quantity Add to cart Category: TB591 Adhesive Spray Gun Description Description Replacement Air Ring Related products 591-07 Platen $14.50 Add to cart 591-31A Air Inlet Assy. $9.95 Add to cart 591-01-1 Air Cap Clip $2.95 Add to cart 591-02 Air Cap $29.95 Add to cart