“591-26A Air Valve Assy.” has been added to your cart. View cart 591-01-1 Air Cap Clip$2.95 591-01-1 Air Cap Clip quantity Add to cart Category: TB591 Adhesive Spray Gun Description Description Replacement Air Cap Clip Related products 591-42 Retaining Ring $3.50 Add to cart 591-01 Retaining Ring $14.95 Add to cart 591-23 Replacement Fluid Needle Spring $5.95 Add to cart 591-43 Trigger $6.50 Add to cart