View cart “591-31A Air Inlet Assy.” has been added to your cart. 591-23 Replacement Fluid Needle Spring$5.95 591-23 Replacement Fluid Needle Spring quantity Add to cart Category: TB591 Adhesive Spray Gun Description Description Replacement Fluid Needle Spring Related products 1 TB-591 Spray Gun $175.00 Add to cart 591-02 Air Cap $29.95 Add to cart 591-20 Needle $19.95 Add to cart 591-03 Fluid Nozzle $29.95 Add to cart