Freezing unit for 20 straws 0.5 ml easy-to-use swabs designed for safe

easy-to-use swabs designed for safe and efficient collection of vaginal cytology samples

it can be used as a staining container

Designed for veterinary professionals

Contains DHA (Docosahexaenoic acid)

Freezing unit for 20 straws 0.5 ml easy-to-use swabs designed for safeThe freezing units are compact and easy to handle. They are made of a styrofoam box of high quality, an inner container of stainless steel and a floating rack. The stainless steel container is filled with liquid nitrogen. The rack keeps the needed distance between 0. 5 ml or 0. 25 ml straws during the first down phase, while it floats on liquid nitrogen. After that, the straws get manually immersed into the nitrogen.