Teflon® (FEP) stays sturdy in the most corrosive and reactive situations. The Aqua Bailers® FEP bailer is made from 100% virgin material and is our most durable disposable bailer. Utilizing a Teflon® ball and a stainless steel weight, the protection of your sample is unparalleled. The bailer contains a Teflon® ball and a steel weight which provides additional sample protection. If you are dealing with organics, Aqua Bailers’ Teflon® (FEP) Disposable bailers are your solution.