Aluminum Precision Products (APP) are the world's largest producer of precision aluminium and iso-thermal titanium forgings supplied to the areospace industry. Under APP's guidance, Catalina Cylinders has grown to become an industry leader. All Catalina cylinders come with a 10-year manufacturing defect warranty. This package includes a 19cuft and Sherwood Pro Valve. The Pro Valve easily switches from yoke to DIN simply by removing a threaded insert.
