“591-14A Air Bushing Assy.” has been added to your cart. View 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 591-42 Retaining Ring $3.50 Add to cart 591-43 Trigger $6.50 Add to cart 591-01 Retaining Ring $14.95 Add to cart 591-06 Lock Screw $12.50 Add to cart