Description The OPW HEF-4175 Hybrid Entry Fitting 4IN TO 0.75IN consists of a buried half outfitted with a hard-shell exterior like the “REF” that helps it overcome the abuse inherent in the underground environment and an accessible inner half that provides the flexibility of the “DEB.” Key Features Compatible with numerous site-installation types Watertight pipe and conduit entries Internal and external clamps create positive seal-off points Maximum flexibility to accommodate pipe and ground shifts Creates a clean and dry interior for tank and dispenser sumps Quick and easy installation Allows for easy in-the-field adjustments Optional heat-trace entry fittings with grommets available Third-party tested and approved by UL/ULc Backed by OPW’s legendary service, support and expertise