“591-14A Air Bushing Assy.” has been added to your cart. View cart 591-20 Needle$19.95 591-20 Needle quantity Add to cart Category: TB591 Adhesive Spray Gun Description Description Replacement Fluid Needle Assembly Related products 591-41 Packing Screw $2.50 Add to cart 591-07 Platen $14.50 Add to cart 591-44 Stud $3.50 Add to cart 591-42 Retaining Ring $3.50 Add to cart