Need to vacuum test or water test your tanks? This is the best seal on the market today for vacuum testing and water testing tanks. It is designed with a closed ended, so it is no longer necessary to plug seal holes before testing. And, it's easy to cut the seal at the installation site. In addition, this new seal is longer than our other seals, making it even easier to install.
Poly IV Closed Ended Boot Seal meets or exceeds all requirements of the following standards, codes, specifications and/or test methods: