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Size 3/8". For safe manual decanting of Liquid Nitrogen. Attach to the end of a hose from a Liquid Nitrogen pressurised dewar.
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With over/behind the head band and foam-filled replacable ear cushions. High performance for comfort and protection. For use when venting gas. British Standard, CE marked.
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Vinyl safety and information labels for CryoService Liquid Nitrogen installations.
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