CRL 3021301 Professional Air Power Caulking Gun for Sealants & Adhesives - Perfect for Construction, Home Repairs, and DIY Projects

This CRL Air Power Gun dispenses sealants packaged in standard caulking cartridges, up to 10.5 fl. oz. (310 ml). Perfect for high volume users like window manufacturers, or anyone looking for fast dispensing of sealants with a uniform bead. This lightweight Gun weighs only 15 oz. (435 g). Maximum air pressure: 40 psi. Adjustable airflow: 0 ? 40 psi. Accommodates an air hose diameter of 3/8" (ID) with an air inlet dimension of 1/4" - 18/19 NPT male nipple. NOTE: You may not dispense some high-viscosity auto windshield urethanes.Important NotesUse low pressure to start then slightly increase to avoid damaging the diaphragm. It may not dispense some high-viscosity automotive windshield urethanes.