Cloverleaf 2500 Bio Bed Filter Pressurised Ref: M/25P The M25P pressurised throughput FB unit will cater for heavy stocked ponds up to 2,500 gallons (11,250 litres), - with an ideal final operational flow rate of around 200/250gph. This unit is approx 600mm high (24") with a 110mm (4") diameter core containing 3kg of silica sand, together with standard 38mm (1.5") pipe manifolds including 2 No ball valves. The bottom valve is used to control flow and balancing, with the top valve offering the close down facility to act as a byepass to the FB. The M25P will support up to 50kg (110lb) of fish load. Price: £172.28 (Including VAT at 20%)