View cart “500-15 Case Screw Set” has been added to your cart. 500-07 Air Coupling$7.95 500-07 Air Coupling quantity Add to cart Category: Adhesive Applicators Description Description Replacement Air Coupling for Regulator hook up TB500 and TB1000 Related products 1000-09 Adhesive Connector Assembly $9.95 Add to cart 500-HOSE Twin Hose $90.00 Add to cart 1 TB-591 Spray Gun $175.00 Add to cart 500-05 Hose Clamps $2.00 Add to cart