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Nalgene®
Vented Closures for Sterile Disposable Erlenmeyer Flasks

Blue PEHD, PTFE membrane. Vented Closures provide sterile gas exchange for shaker and suspension cell culture. Hydrophobic 0.2 µm PTFE membrane allows sterile air exchange without unscrewing the closure and is heat welded into place for effective sealing. Made of blue HDPE for easy identification. Use with NALGENE Sterile Disposable flasks. Sterile.
 For volumes
ml
ClosurePUOrder No.Manuf. Prod. No.
 125, 250 ml38-430163228174114-0038
 500, 1000, 2000 ml45-430163228184114-0045