Instant, easy device for LN withdrawal. Not permanent. Universal fit. The black silicone plug slides up and down the tube to adjust for different size dewars.
Instructions: Place the device in the dewar, apply moderate pressure to the black, silicone plug and instantly 1/2 liter of LN will dispense before freezing. Allow device to warm to room temperature before using again. Remove device when done.
Instructions: Place the device in the dewar, apply moderate pressure to the black, silicone plug and instantly 1/2 liter of LN will dispense before freezing. Allow device to warm to room temperature before using again. Remove device when done.
