# Fisherbrand Sav-It Tube Closure - Yellow, 12-13mm (Pack of 1000)

This convenient pack of 1000 yellow tube closures provides reliable sealing solutions for laboratory and medical applications. Designed specifically for tubes measuring 12 to 13 mm in diameter, these elastomer copolymer closures offer secure protection for your samples and specimens.

## Secure Sample Protection

The Fisherbrand Sav-It tube closures create firm, leak-resistant seals that effectively protect both laboratory personnel and valuable samples from contamination and spillage. Their bright yellow color provides clear visual identification for easy organization and inventory management.

### Versatile Laboratory Application

These non-sterile closures are compatible with a wide range of laboratory tubes including test tubes, centrifuge tubes, specialty tubes, and evacuated blood drawing tubes. Their flexible design ensures a snug fit while maintaining easy removal when needed.

### Through-Cap Sampling Capability

A key feature of these closures is their ability to be punctured for through-cap sampling via closed-tube instrumentation systems. This allows for sample access without compromising the integrity of the sealed environment, making them ideal for various analytical procedures.

*   Pack of 1000 closures for extended laboratory use
*   Elastomer copolymer construction for durability and flexibility
*   Specifically designed for 12-13 mm diameter tubes
*   Non-sterile format suitable for general laboratory applications