View cart “591-26A Air Valve Assy.” has been added to your cart. 591-01 Retaining Ring$14.95 591-01 Retaining Ring quantity Add to cart Category: TB591 Adhesive Spray Gun Description Description Replacement Retaining Ring Related products 591-07 Platen $14.50 Add to cart 591-31A Air Inlet Assy. $9.95 Add to cart 591-32 Air Connector $9.95 Add to cart 591-26A Air Valve Assy. $19.95 Add to cart