Product Description
Get balanced venting and positioning during freeze drying. A three-leg stopper design sits evenly on the vial neck, helping maintain consistent vapor paths through the cycle and seating cleanly when the shelves press stoppers closed. They are intended for production and pilot lyophilization runs.
This listing is for Wheaton catalog number W224100-407: 20 Mm Stopper, 3 Leg, Ultra Pure, Case of 1,000. These 20 mm stoppers are for injection vials with a blowback feature in the neck. They are offered in chlorobutyl and bromobutyl elastomers, siliconized or uncoated, with durometers of about 46 to 55, and are autoclavable for preparation before filling. Order it from LIGHT LABS and keep your lab stocked with genuine DWK Life Sciences products.
Key Features
- Three-leg design – Balanced support and venting during lyophilization.
- 20 mm size – Fits standard serum and injection vials with blowback.
- Elastomer choice – Chlorobutyl or bromobutyl.
- Siliconized option – Eases machine handling and insertion.
- Autoclavable – Can be sterilized before use.
Specifications
| Catalog Number | W224100-407 |
| Brand | Wheaton (DWK Life Sciences) |
| Description | 20 Mm Stopper, 3 Leg, Ultra Pure |
| Sold As | Case of 1,000 |
| Size | 20 mm |
| Stopper Material | Chlorobutyl; Bromobutyl |
| Coating | Siliconized; Uncoated |
| Durometer | 46; 50; 55 |
| Autoclavable | Yes |
Available Options
- 20-0025-L3 – Septa 20Mm Butyl 3-Leg Stopper, Pack of 100
- W224100-202 – 20Mm Stpr,3 Leg Lyo(13X20)Gry Btyl,Slzd, Case of 1,000
Applications
- Lyophilization
- Parenteral vial filling
- Freeze-dried reagents
- Diagnostics production
