Natural Red Rubber Stopper, for 20mm closures

Sleeve stoppers are plug stoppers with fold-over skirts. This type of stopper is used on serum vials and other crimp-finish containers that do not require aluminum seals or overcaps. Sleeve stoppers can be used as an injection site for multiple dose entry. 

Stopper,Straight Plug,Red Rubber,13x20mm

This design provides maximum sealing for vials with straight wall glass finish. The straight wall interior finish is typically found in vials from European manufacturers. 

Locking Flange Septa for Open Top Caps, Chlorobutyl, 33mm

Locking Flange Septa for Open Top Caps, Chlorobutyl, 33mm