Cell culture flasks with 3 parallel growth surfaces provide a total culture area of 500 cm2, with external dimensions of a 175 cm2 standard flask. Ideal for scale-up. Available with vent / close caps or filter caps for good gas exchange. Nunclon™ D surface is certified non-pyrogenic and tested for both monolayer formation and cloning efficiency employing primary cells as well as repeating cell lines. - Sterile. - Material flasks: PS. - Material caps: PEHD. Cell culture flasks with 3 parallel growth surfaces provide a total culture area of 500 cm2, with external dimensions of a 175 cm2 standard flask. Ideal for scale-up. Available with vent / close caps or filter caps for good gas exchange. Nunclon™ D surface is certified non-pyrogenic and tested for both monolayer formation and cloning efficiency employing primary cells as well as repeating cell lines. - Sterile. - Material flasks: PS. - Material caps: PEHD.