Cherne Industries 5700 Lincoln Drive , Minneapolis , MN 55436 USA Environmental XPRT Downloads About Solutions products Publications videos Downloads Home breadcrumb Companies Cherne Industries Products Air-Loc - Plate Style Manhole Testers Air-Loc - Plate Style Manhole Testers From Testing Equipment 0 Share Share with Facebook Share with Tweeter Share with LinkedIn Air- Plate-Style Air-Loc Head Assembly: Designed to seal manhole cone surface. Seals a wide range of manhole diameters. Neoprene gasket for leak-free seal. Most popular related searches manhole manhole diameter manhole tester manhole sealing manhole seal leak sealing gasket sealing air testing manhole design More about Plate Style Manhole Testers Customer reviews No reviews were found for Air-Loc - Plate Style Manhole Testers. Be the first to review! Add your review Publish your review Great! review successfully added!