The product, HEINE GAMMA XXL LF® comes without mercury to make it secure and environment friendly device. This professional device is latex free and made up of polycarbonate which makes it long lasting. This durability of product makes it easy to be used in demanding hospitals and work areas. It has oversized 130 mm diameter scale and for revolving from any angle for taking clear and easy readings. 3m long spiral inflation tube used for increased working distance. Indicator with high quality is adjustable and long lasting. Device has precision air-release valve and fine and air release. It is reliable for pressure proof Manometer. Compatible with wall, Desk, Rail and Wheeled Stand for height adjustable quality. Warranty for 10 years from date of purchase on making faults and workmanship.