Walmay Liquid Nitrogen Extractor

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Walmay Liquid Nitrogen Extractor for 20L & 30L Storage Dewars A safe method of transferring liquid nitrogen from a 20L or 30L dewar to a Cryotherapy flask. Features Include Designe d for the safe transfer of liquid nitrogen from a storage dewar to a cryotherapy flask Double insulated handle for thermal protection The see-through plastic protector disc covering the bung allows accurate insertion/withdrawal from the dewar Extendable siphon tube and coned bung make it suitable for most 10L – 30L dewars. Show more