View cart “591-39 Fluid Connector” has been added to your 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 591-09 O Ring $4.50 Add to cart 591-08 Side Port Control $12.95 Add to cart 591-03 Fluid Nozzle $29.95 Add to cart 591-32 Air Connector $9.95 Add to cart