View cart “1 TB-591 Spray Gun” has been added to your cart. 591-05 Air Ring$5.50 591-05 Air Ring quantity Add to cart Category: TB591 Adhesive Spray Gun Description Description Replacement Air Ring Related products 591-41 Packing Screw $2.50 Add to cart 591-42 Retaining Ring $3.50 Add to cart 591-31A Air Inlet Assy. $9.95 Add to cart 591-09 O Ring $4.50 Add to cart