View cart “591-09 O Ring” has been added to your cart. 591-43 Trigger$6.50 591-43 Trigger quantity Add to cart Category: TB591 Adhesive Spray Gun Description Description Replacement Trigger Related products 591-41 Packing Screw $2.50 Add to cart 591-14A Air Bushing Assy. $36.95 Add to cart 591-08 Side Port Control $12.95 Add to cart 591-03 Fluid Nozzle $29.95 Add to cart