“591-41 Packing Screw” has been added to your cart. View cart 591-31A Air Inlet Assy.$9.95 591-31A Air Inlet Assy. quantity Add to cart Category: TB591 Adhesive Spray Gun Description Description Replacement Air Inlet Assembly Related products 591-20 Needle $19.95 Add to cart 591-23 Replacement Fluid Needle Spring $5.95 Add to cart 591-07 Platen $14.50 Add to cart 591-40 Packing $3.50 Add to cart