View cart “591-01-1 Air Cap Clip” 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 591-26A Air Valve Assy. $19.95 Add to cart 591-43 Trigger $6.50 Add to cart 591-01 Retaining Ring $14.95 Add to cart 591-41 Packing Screw $2.50 Add to cart