Foxxs PUREGRIP is innovation you can feel. Combining the quality of Borosil glassware with Foxxs user-focused designs, PUREGRIP Flasks provide users with the flasks theyve always wanted, without the expensive price tag they might expect. PUREGRIP Flasks are easier to open, close, pick up, hold, and carry. A frosted surface on the VersaCap allows for labeling with a felt tip marker. A large enamel surface on the flask provides even more space. Flasks are resistant to rapid temperature change, and the GL45 VersaCap offers the highest rating in the world for a PP cap, 142C. A colorless PP pouring ring allows for drip-free emptying. PUREGRIP Flasks are suitable for storing media, buffers, serum, solvents, and more. PUREGRIP Flasks can also be used in heating, stirring, shaking, and mixing. All parts are certified USP Class VI. Fully autoclavable. Avail. from 250mL to 5L. The future of glassware is here. Pick it up and see.