Description_x000D_ General description_x000D_ Breathe-EASIER (a white non-woven rayon membrane) transmits water vapor 6 times faster than Breathe-EASY for accelerated growth._x000D_ Membranes are ideal for cell growth, concentrating samples (e.g. freeze drying), and gas exchange._x000D_ Easy microtube cap closure. Will not bind in centrifuge rotors._x000D_ Formatted with an easy-to-use finger tab. Pre-cut to fit a variety of popular tube sizes. Convenient scoring makes liner removal quick and easy._x000D_ Membranes are gamma irradiated to ensure sterility. Free of cytotoxins.