Model | Max. pond size | Optimum flow rate | Max. flow rate | Bulb Power | Inlet/Outlet | Fittings supplied |
 | 15,000 Litres 3,300 UK Gallons 4,000 US Gallons | 5,000 Litres/hr 1,100 UK Gallons/hr 1,320 US Gallons/hr | 7,500 Litres/hr 1,650 UK Gallons/hr 1,800 US Gallons/hr | 15W (1 x 15W T8) | 1½" | 2 x 1½" Threaded Hosetails |
 | 20,000 Litres 4,400 UK Gallons 5,300 US Gallons | 7,500 Litres/hr 1,650 UK Gallons/hr 1,800 US Gallons/hr | 10,000 Litres/hr 2,200 UK Gallons/hr 2,500 US Gallons/hr | 25W (1 x 25W T8) | 1½" | 2 x 1½" Threaded Hosetails |
 | 30,000 Litres 6,600 UK Gallons 7,900 US Gallons | 12,500 Litres/hr 2,750 UK Gallons/hr 3,300 US Gallons/hr | 15,000 Litres/hr 3,300 UK Gallons/hr 3,500 US Gallons/hr | 30W (1 x 30W T8) | 1½" | 2 x 1½" Threaded Hosetails |
 | 55,000 Litres 12,100 UK Gallons 14,500 US Gallons | 15,000 Litres/hr 3,300 UK Gallons/hr 3,500 US Gallons/hr | 20,000 Litres/hr 4,400 UK Gallons/hr 5,000 US Gallons/hr | 55W (1 x 55W T8) | 1½" | 2 x 1½" Threaded Hosetails |
 | 75,000 Litres 16,500 UK Gallons 19,500 US Gallons | 17,500 Litres/hr 3,800 UK Gallons/hr 4,600 US Gallons/hr | 25,000 Litres/hr 5,500 UK Gallons/hr 6,000 US Gallons/hr | 75W (1 x 75W T8) | 1½" | 2 x 1½" Threaded Hosetails |
 | 75,000 Litres 16,500 UK Gallons 19,500 US Gallons | 20,000 Litres/hr 4,400 UK Gallons/hr 5,000 US Gallons/hr | 25,000 Litres/hr 5,500 UK Gallons/hr 6,000 US Gallons/hr | 110W (2 x 55W T8) | 2" | No Fittings Supplied |