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 591-43 Trigger $6.50 Add to cart 591-05 Air Ring $5.50 Add to cart 591-39 Fluid Connector $9.95 Add to cart 591-41 Packing Screw $2.50 Add to cart