View cart “591-44 Stud” has been added to your cart. 591-08 Side Port Control$12.95 591-08 Side Port Control quantity Add to cart Category: TB591 Adhesive Spray Gun Description Description Replacement Side Port Control Related products 591-39 Fluid Connector $9.95 Add to cart 591-05 Air Ring $5.50 Add to cart 591-01-1 Air Cap Clip $2.95 Add to cart 591-31A Air Inlet Assy. $9.95 Add to cart