
20 mm bromobutyl Igloo Lyo stoppers with OmniFlex® coating for ESBB vials, sterile and RTU.
These Datwyler 20 mm Bromobutyl Igloo Lyo stoppers are intended for lyophilization processes and designed for use with European style blowback (ESBB) vials. The OmniFlex® fluoropolymer coating provides a barrier layer between the rubber stopper and the product contact surface.
Supplied steam sterilized and double bagged in ready‑to‑use (RTU) packaging, these stoppers support controlled aseptic handling prior to vial sealing.