Jeio Tech Lab Companion AAA23703 Polypropylene (PP) Support for Two 500 mL Flasks, 1/Pk

These flask supports feature deep, concave recesses to sevurely hold your round-bottom and reaction flasks. The convenient, side hand grips allow you to easily transport vessels. White write-on tags let you clearly label glassware. Polypropylene material offers excellent chemical resistance; temperature range is from -22 to 250°F (-30 to 121°C). Supports can also be used as an ice container to chill test tubes or smaller containers, or to keep samples cold in a refigerator.