HFS (Tm) 3 L Cryogenic Container Liquid Nitrogen Ln2 Tank with Straps and Carry Bag with 6 Canisters. Dewar Tank Capacity (L) 3.15L Outer Diameter (mm) 224 Max Holding Time*(Days) 30 days Number of Canisters (Qt.) 3 pcs Depth of Canister: 11.1cm