Glass and polypropylene inserts are compatible with crimp-top and screw-thread vials of various sizes.

• 11 mm crimp-top vial and 9 mm screw-thread vial compatibility
• Glass or polypropylene construction

Inserts for screw-thread and crimp-top vials are made of rugged polypropylene or glass and feature a flat-bottomed design or big mouth inserts with flanges or springs.

Note: Big Mouth insert w/glass flange (step design) not to be used with 9 mm screw-thread vials.