Description: Our Thru-Hulls are meant for installation through the transom and are good for overflow use in livewell installations or as an exhaust port for a bilge pump Their construction is designed to resist degradation as a result of chemical and saltwater exposure. Molded plastic construction with broad flange Provides trouble-free hose connections Meets ABYC safety standards for small boats Specification: This fitting should be used above the waterline Color: White For 3/4" ID hose Height: 7.5cm / 2.95 inch Top diameter 5.2cm / 2.04 inch Bottom diameter 1.8cm / 0.7 inch Package Includes: 1 Piece Plastic Thru-Hull Hose Fitting