Screw caps for screwthread tubes, PBT

Screw caps for screwthread tubes, PBT

Screw caps, high temperature, PBT

Screw connector caps, PBT

Screwthread couplings, PBT

Aspirator bottles, DURAN^®

Erlenmeyer flasks, DURAN^®, with screw neck

Filter flasks, bottle shape, DURAN^®

Filter flasks, Erlenmeyer shape, DURAN^®