Magnetic Crimp-Top Caps with PTFE/Silicone Septa, 20 mm w/ 8 mm Hole, Gold, Preassembled, 1000-pk. 
Features & Benefits
- Micro-thin septum center pierces easily without bending needles or breaking SPME fibers.
- Thicker outer septum wall secures septum in place and ensures a tight seal.
- Versatile closures are suitable for SPME as well as dynamic and static headspace applications.
- Septa are manufactured from low-extractability silicone and molded for dimensional conformity.
- Available in magnetic 18 mm screw caps and 20 mm crimp caps.
| Weight | 0.50 lbs |
|---|---|
| Dimensions | 7 × 3.50 × 2 in |
| Material | Bi-Metal |
