500ml 16oz Cryogenic Liquid Treatment Nitrogen (LN2) Sprayer Freeze Dewar Tank. 500ml 16 oz Cryogenic Liquid Treatment Nitrogen (LN2) Sprayer Freeze Dewar Tank.Features Convenience Light weight Easy to operate Kinds of Frozen Heads. Applications In all the department in hospital In gynecology department In the department of stomatology In the area of cosmetology. Gross weight: 2kg / 4.4 bls. There is not button for flow control on the handle of it. But The sprayer has a switch on the lip, just rotate it, then you can control the flow. And among the 9 frozen heads there are 7 frozen heads without hole and 2 frozen head with hole. Please don't hold the steel pipe to rotate the lid. It is not suitable for longtime storage of liquid nitrogenstorage time among 12 - 20 hours according to the ambient temperature. Attention: There is no liquid nitrogen inside, for convenient transportation. Liquid Nitrogen(LN2) Sprayer Tool Kit. Unused/unopened merchandise will be fully credited.
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