View cart “591-23 Replacement Fluid Needle Spring” 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 591-09 O Ring $4.50 Add to cart 591-24A Replacement Needle Bushing Assembly $29.95 Add to cart 591-44 Stud $3.50 Add to cart 591-06 Lock Screw $12.50 Add to cart