591-26A Air Valve Assy.$19.95 591-26A Air Valve Assy. quantity Add to cart Category: TB591 Adhesive Spray Gun Description Description Replacement Air Valve Assembly Related products 1 TB-591 Spray Gun $175.00 Add to cart 591-08 Side Port Control $12.95 Add to cart 591-03 Fluid Nozzle $29.95 Add to cart 591-02 Air Cap $29.95 Add to cart