If you want to buy a 2 litre beer keg for sale, as a wholesaler on Alibaba.com offer a wide range of 2 litre beer keg for sale, as many as are wholesalers at Alibaba.
It should not be kept outdoors as long as the food in the fridge is freezer, the beer keg should come in a cooler place for the storage of 2 litre beer keg.