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 591-42 Retaining Ring $3.50 Add to cart 591-07 Platen $14.50 Add to cart 591-01-1 Air Cap Clip $2.95 Add to cart 591-08 Side Port Control $12.95 Add to cart