Replacement Screw Cap with Plug Seal for PYREX™ Media Bottles, Orange, GL 45 Thread, Non-Sterile, 20/Case

Reusable screw caps are designed to fit graduated Erlenmeyer flasks and media bottles (sold separately). They feature a plug seal closure and are autoclavable. Polypropylene material can withstand temperatures up to 284°F (140°C). 20/case.