The product usually takes 6--13 business days to arrive to your hand after your order is confirmed Features: Convenience Light weight Strength steel body High refrigerating power 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 Tips: 1. 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 8 frozen heads without hole and 1 frozen head with hole. 2. Please don't hold the steel pipe to rotate the lid. 3. It is not suitable for longtime storage of liquid nitrogen (storage time among 12 - 20 hours according to the ambient temperature.) Attention: There is no liquid nitrogen inside, for convenient transportation. So you have to buy liquid nitrogen alone, thank you for your understanding.
