125 Litre (800 x 400 x 500 - L x W x H) 250 Litre (1050 x 500 x 500 - L x W x H) 500 Litre (1600 x 500 x 500 - L x W x H) Ideal for use in small to medium shops, resturants, workshops or factories. Removable top lid. Your choice of 50mm or 100mm threaded inlet and outlet. 100mm top section outlet (if required) Can be used above or below ground. No strapping required. Made from Polyethylene