Yamitsu 25watt Algaemaster
Made in Great Britain the 25watt Kockney Koi Algaemaster is a quality product at a sensible price. Placed immediately before a mechanical filter it will clear the water in ponds up to 10,000 litres. It has two stepped hosetails to take hose from 20mm , 25mm, 32mm, 38mm (3/4" to 11/2"). It comes complete with wall brackets.
A very sensible price at £89.99 including vat and carriage on mainland UK