For use with any PYREX® media-lab bottle with a GL 32, GL 45 or GLS 80 screw threads, these polypropylene pouring rings ensure drip-free pouring.

Key Features 

• For use with 1516, 1517, 1518, 1519 1520, 1523 and 1524 series bottles
• Ensures drip-free pouring
• Clear polypropylene pouring ring
• Withstands autoclaving up to 140 °C

For use with any PYREX® media-lab bottle with a GL 32, GL 45 or GLS 80 screw threads, these polypropylene pouring rings ensure drip-free pouring.

Key Features 

• For use with 1516, 1517, 1518, 1519 1520, 1523 and 1524 series bottles
• Ensures drip-free pouring
• Clear polypropylene pouring ring
• Withstands autoclaving up to 140 °C