Dual-Position Caps for Culture Tubes
1. Made of polyethylene for test tubes with O.D. from 12mm to 17mm.
2. The closed but unsealed position where samples are maintained aerobic for microbiological procedures.
3. Fully sealed position where the cap is pushed tight to seal the tube for anaerobic use or for storage, transfer and centrifuge applications.
Desc. of Item
Dual-position cap, Φ12mm,Natural
Dual-position cap, Φ17mm,Natural