View cart “591-01 Retaining Ring” 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 591-43 Trigger $6.50 Add to cart 591-40 Packing $3.50 Add to cart 591-06 Lock Screw $12.50 Add to cart 591-31A Air Inlet Assy. $9.95 Add to cart