“1 TB-591 Spray Gun” has been added to your cart. View 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 591-03 Fluid Nozzle $29.95 Add to cart 591-44 Stud $3.50 Add to cart 591-01-1 Air Cap Clip $2.95 Add to cart 591-26A Air Valve Assy. $19.95 Add to cart