VEVOR Liquid Nitrogen Tank 3 L Aluminum Alloy LN2 Container Dewar 6 Canisters Low-Temperature Storage Expert Superior Insulation Aviation Aluminum Alloy Material Detailed Design Wide Applications Vacuum Nozzle Daily Evaporation: 90110 g/D, Capacity: 0.79 gal / 3L, Hole Diameter of Mouth: 1.97 in / 50 mm, Item Model Number: YDS-3, Canisters Quantity: 6pcs(2 without holes&4 with holes), Product Dimensions: 9.0 x 9.0 x 17.7 in / 228 x 228 x 450 mm, Net Weight: 8.8 lbs / 4 kg, Outer Dimensions of Container:? 9.0 x 17.7 in /? 22.8 x 45 cm, Static Preservation Time: 2428 days.