Millipore Steriflip-GP, 0.22μm, polyethersulfone, gamma irradiated, 25/PAK

the new EcoStand tube holder is an environmentally responsible alternative to conventional petroleum-based plastics. In addition to being made from a biodegradable corn-based resin, the EcoStand also features a user-friendly design for both the 50 mL and 15 mL tube formats.