Saves time and money - Link-Seal® installs in up to 75% less time than competition productsPositive hydrostatic sealing - properly installed, Link-Seal® is rated at 20 psig (40 feet of head), which exceeds the performance requirements of most applicationsEnvironment seals Link-Seal® environmental seal is designed for long life and use as a permanent seal, seal elements are specially compounded to resist aging, ozone, sunlight, water and a wide range of chemicalsCorrosion protection where installation against galvanic corrosion (or electrolysis) is required, Link-Seal® provides complete separation pipe and casingCompensates for misalignment Link-Seal® allows for some angular and OFF center conduit conditions and still seals effectivelyAbsorbs shock, sound and vibration - this inherent benefit of Link-Seal helps reduce conduit failure due to fatigue and threaded connections3-1/2 in OD EMT/RSC conduit, 3.476 in OD IMC conduit5 in Dia cast/cored hole