Product Features of the Chamber Acrylic Plexi-Glass chamber for long-term air-tightness performance. Burhani Vacuum chamber has a rounded edge at the top, for the protection of silicone gasket. Vacuum gauge is assembled on a separate port, so that the reading remains accurate even while pumping/venting the chamber. Gauge reading in both in Hg and Mpa. All kits are vacuum tested for 24 hours before packaging. (leakage less than 2.0 inHg at 24 hours) Two-sided flippable vacuum gasket for better durability and reliability. The gasket is chemically resistant to butane and other solvents.  25 mm thickness Acrylic lid for long life and clear visibility. Strong elastic food grade silicone vacuum hose can connect/disconnect easily with the pump/chamber. 50um air filter on the vent valve to reduce air flow and prevent any dust/powder flowing into the chamber. Easy to install and low-cost to maintain: the chamber can be assembled in 5 minutes. 45 day complimentary warranty and life-long parts support. Product Specs & Part List of the Chamber Vacuum Chamber: Plexi Glass Acrylic with 30 years warranty Lid: Acrylic Vacuum Gasket: silicone, resistant to Butane and other solvents. Vacuum Gauge Assembly: 0.5 inHg accuracy. Valve Assembly: very high quality air-tight brass valves, with 50um filter on vent port Vacuum Hose: 3.3' / 1 meter food grade collapse-proof silicone hose, 3mm wall thickness (8mm I.D, 14mm O.D) Vacuum Pump Adapter: 3/8“ hose barb to 1/4 SAE flare port. . . Capacity Gallon Capacity Litres