Ace Glass 8648-234 44.5 mm O. D. x 5.0 cm (2") Pressure Bottle 25 mL #7 Ace-Thred Front Seal

These heavy wall bottles are unique in that Ace-Threds allow for easy closing of plugs, which are reusable. The plugs have O-Rings for assurance of a tight seal by simply hand tightening. For pressure work, a "Front Seal" plug (5846) is recommended. Bottles have a pressure rating of 60 psig at room temperature. Complete items include Glass Bottle and PTFE Plug with FETFE® O-Ring.