The Onion Tank is a collapsible water tank designed and manufactured to store potable and non-potable water such as river and rainwater. 
 
The frameless design makes the tank perfect for remote locations and emergency situations where rapid deployment is required.  100 % self supporting the onion tank can be set up by one person, the open design also makes it easy to clean and reuse for different situations and liquids.
 
Dunlop GRG's onion tank is supplied in three configurations - Open top, Roll top and Zipper top and available from 1,500 to 20,000 litre capacity as standard.