This breathable rayon sealing film is used for sealing out contaminants from a wide range of micro-plates while maintaining an aerobic environment. Use with for tissue culture plates, deep well plates, and 96-well plates for cell growth. Pre-sterilized. Working Temperature Range: -20°C to +80°C. Thickness: 50µm. Dimensions: 153 x 82.3mm. Corning Axygen® #: BF-400-S.