8-425mm Flangeless Black Open Polypropylene 0.065" Red PTFE/Silicone Lined Closure

This 8-425mm threaded open hole black flangeless closure is made of polypropylene lined with 0.065" PTFE/Silicone septa. Closure is compatible with 8-425mm vials. 1,000 closures per case with 10 shelf packs of 100 closures packed plastic bags.