PYREX® Wide Mouth Erlenmeyer Flasks with GL45 Screw Cap, Corning 4995
These Corning® wide mouth PYREX® 250mL Erlenmeyer flasks have a large neck opening which makes it easy to use larger volume serological pipets. Erlenmeyer flasks are the ideal glassware product for use as a shaker flask or for media prep and storage needs. They also have a single size linerless - one-piece autoclavable orange polypropylene plug seal cap with GL45 threads and drip-free pouring rings. A wide range of optional caps are available for these bottles (including polypropylene orange colored caps for ease of sorting and identification - vented membrane caps with 0.22 micrometer PTFE hydrophobic membranes - PBT (polybutylene terephthalate) solid caps and ETFE pouring rings for dry heat sterilization (180 degree C) - and PBT caps with silicone septa for syringe sampling or introduction of reagents).