View cart “591-40 Packing” 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 591-02 Air Cap $29.95 Add to cart 591-44 Stud $3.50 Add to cart 591-39 Fluid Connector $9.95 Add to cart 591-42 Retaining Ring $3.50 Add to cart