Coleman Golf Cart Heater Adapter for Portable Propane Heater - Fits Golf Cart Cup Holder Original Coleman cup holder adapter - designed to work perfectly with Coleman Sportcat and Golfcat models Also fits other 16.4 Oz. portable propane heater models Universal design fits most cupholders on golf carts, utility vehicles, boats, buggies and more Extra-thick durable resin construction with vent at bottom of adapter 9.5 inches long, 4 inch upper diameter, 2.75 inch lower diameter