The Single Sample® Coliwasa is a polyethylene disposable sampler designed for collecting liquid samples from tanks, drums, or other containers. 

12 Coliwasa Per Case  / 1.5" x 42" 

• Easy Sampling: Obtain representative samples from stratified or unstratified liquids with this user-friendly design.
• Durable Construction: Made entirely of inert HDPE, the Coliwasa resists almost all chemicals and solvents for safe and reliable sampling.
• Leak-Proof Design: The positive displacement valve ensures a secure closure, preventing leaks during retrieval and transport.
• Disposable Convenience: Eliminates the need for cleaning and reduces the risk of cross-contamination, ideal for field use.