Capacity30L Neck diameter125mm Height 670mm Outer diameter446mm canisters number6pcs canister outer diameter89mm Canister total height125mm canister height565mm Empty weight14.5kg Lockable lid and protection cover Included. (optional) Static holding time 90-112 days straw capacity / single layer 0.25ml5700pcs 0.5ml 2563pcs straw capacity / double layer 0.25ml11400pcs 0.5ml 5124pcs ISO/CEApproved Package carton 48*48*76cm gross weight 18kg Xinxiang Panshi YDS-series products are mainly made up of outer shell, inner vessel, neck tube, multi-layer isolating material and canisters. 1.The outer shell and inner vessel are made of the aluminum alloy plate featuring light weight, high cryogenic strength and corrosion resistance. 2.The neck tube is made of glass-fiber reinforced plastics featuring of high mechanical strength and low heat conductivity. 3.The multi-layer insulation is composed of the reflecting screen of aluminum foils with high reflectivity and insulation material with low heat conductivity and low gas-passing speed to reduce heat radiation. 4.The jacket between the outer shell and inner vessel is of high vacuum to prevent thermal convection. Moreover, an adsorbent with a high adsorbing capacity at the cryogenic temperature is used to ensure the long-term stable and reliable performance of the dewar with more than five-year life service. If you are interested in the liquid nitrogen tank or need to consult, please click on our online customer service.Welcome sending your inquiry.