Welcome to MacCoupler.com. The MacCoupler is used to fill one pound propane cylinders with any 20 to 40 pound propane tank. It's easy and cost effective. Made of solid brass, the MacCoupler will last a lifetime and is a welcome addition to anyones camping gear, tool chest,RV or camper.

Why keep buying and throwing away those 1 lb. propane tanks? The MacCoupler E-Z Propane Filler allows you to refill those tanks in less than a minute from any 20-40 lb. propane tank!