Use the table below to select the correctly sized item. If you have any difficulties deciding which size is right for you, contact use by email or phone and we will be very happy to assist you.

Model	Watts	Flowrate LPH  (GPH)				Dimensions LxWxD (mm)	Outlet Size mm (")
		0m	1m	2m	3m
Neptun 440	5	440 (97)	0	0	0	49x53x55	13 (½)
Neptun 600	7	600 (132)	150 (33)	0	0	95x56x60	12 (½)
Neptun 1000	15	1000 (220)	420 (92)	0	0	125x80x75	12 (½)
Neptun 1500	18	1500 (330)	750 (165)	0	0	125x80x75	12 (½)
Neptun 2000	25	2000 (440)	1080 (238)	0	0	125x80x75	12 (½)
Neptun 3000	40	3000 (660)	2250 (495)	1320 (290)	0	245x130x140	25 (1)
Neptun 4000	50	4000 (880)	3150 (693)	2100 (462)	780 (172)	245x130x140	25 (1)
Neptun 5000	85	5000 (1100)	4050 (891)	3000 (660)	1650 (363)	315x140x130	25 (1”)
Neptun 6000	110	6000 (1320)	4980 (1096)	3900 (858)	2700 (594)	315x140x130	25 (1)
Neptun 9000	195	9000 (1980)	7980 (1756)	6900 (1518)	5550 (1221)	340x160x160	38 (1½)
Neptun 12000	270	12000 (2640)	10800 (2376)	9420 (2072)	7920 (1742)	340x160x160	38 (1½)

If you do not like getting your hands wet and dirty while working on your pond or filter then these gloves will help keep them clean and dry.

To calculate the approximate volume of you pond, select the Shape, Unit of Measurement and amount of shading, then press calculate. If you would like to try different combinations, remember to press Reset between calculations.

Pond Shape		Unit Of Measurement		Sunlight / Shading			Pond Size
Rectangular		Meters / Litres		Full Sunshine
Circular		Feet / Gallons		Partly Shaded
Actual Volume   Effective Volume

What is Effective Volume ?
The effective volume is the quantity of water in your pond, plus an allowance for shallow and or ponds exposed to high levels of sunlight. Both of these situations will result in a higher than normal algae growth, and fish pollution. We advise that to ensure your that your equipment is correctly sized, the effective volume be considered the minimum size for the equipment you select. However do remember to check the details of the product you are interested in, to ensure that there are no other allowances or consideration specific to that product are required.