Nylon Stopper Size 22 / 22mm Replace broken or lost laboratory stoppers. For glass and Nalgene separatory funnels, flasks, etc. with a top opening (ID) of 22mm. Stopper is made of tough, chemical resistant nylon (similar characteristics to PFTE / teflon). Replaces breakable glass stoppers. Nearly indestructible. Outer diameter (OD) is 22mm, tapering to 20mm at bottom. QUALITY PARTS 3D PRINTED ON DEMAND IN THE USA! IF YOU NEED ANOTHER SIZE OR PART PLEASE CONTACT US AND WE WILL SET UP A LISTING FOR YOU. For use with all glassware / nalgene labware that requires a 22mm stopper. Examples include separatory funnels and volumetric flasks. Plugs the joint to prevent spills, leakage, and evaporation. Nylon is resistant to most laboratory chemicals. Currently offered in 22mm size, other sizes and parts can be produced but please contact us first. Item Details Manufacturer: CalhounMonster Description: Nylon 22mm Stopper Replacement for To replace glass stoppers Made in: United States Dimensions 45 x 22 mm (h x w) Color Translucent White Weight: 6g Condition: New Packaging: No