Cloverleaf Compact 3750 Koi Pond Filter Ref: VH4/1 The VH4/1 is a fabulous filter system offering great flexibility of use, and first class for those wishing to extend their current filtration systems due to increase in fish loads. In a stand alone situation the VH4/1 is suitable for Koi ponds up to 1,875 gallons (8,430 litres), or Goldfish ponds up to 3,750 gallons (16,875 litres). Size is 810mm diameter x 1200mm high, and yet again like many of the "Compacts" would make a stunning filter when linked to a surface skimmer. Note:- Pipe inlet size 160mm (6") - Outlet 110mm (4"). Price: £553.39 (Including VAT at 20%)