Narrow mouth PYREX® with glass stopper With ground neck With ground glass stoppers 125 mL and 250 mL bottles are furnished with a number 19 Standard Taper stopper; 500 mL bottles are furnished with a number 24 Standard Taper stopper; 1,000 mL and 2,000 mL bottles are…

Featuring PYREXplus® protective PVC safety coating May be autoclaved or microwaved to 121°C (250°F) Resistant to thermal shock Similar to 1744F31 series. Borosilicate glass safety bottles provide good optical clarity and are mechanically durable. Can be marked with either…