DocStock supplies laboratory-grade liquid nitrogen dewars in 10-litre, 20-litre and 30-litre capacities used across Australian dermatology clinics, GP practices, veterinary surgeries and research laboratories for cryotherapy, sample storage and tissue preservation. Each dewar ships with a ladle, neck plug and leather carry bag as standard.

The 10L dewar suits single-practitioner dermatology and GP clinics performing cryotherapy on a sessional basis. The 20L is the most common choice for busy multi-room practices and veterinary clinics where liquid nitrogen is used daily. The 30L is designed for high-volume environments dermatology centres, research labs and facilities that need to minimise refill frequency.

Liquid nitrogen dewars should be stored upright in a well-ventilated area away from direct sunlight. Never seal a dewar with an airtight lid — the neck plug supplied with each unit is designed to allow controlled gas venting. Most Australian medical gas suppliers (BOC, Coregas, Supagas) offer liquid nitrogen refills by appointment or scheduled delivery.