i have a 500 ltr black custom made baffled water tank messurments are 2 foot high x 3 foot wide x 3.5 foot long. it has a screw on breatherable lid and a 1 inch outlet hole at the bottom in as new condition. no longer needed as have brought a bigger tank due to work load increasing.. any more details contact me on 01502 742032 be quick as it will go on ebay if not sold soon..... open to ofers... based in lowestoft suffolk...