All Swan softeners are the same size 1190mm h x325mm w x 520mm d

This water softener is available in four resin volumes:

18 litre:
The service flow rate is 720 l/hr although it is capable of higher flow rates.
Its **capacity at 300 ppm calcium carbonate is 3000 litres.

25 litre:
The service flow rate is 1000 l/hr although it is capable of higher flow rates.
Its **capacity at 300 ppm calcium carbonate is 4167 litres.

30 litre:
The service flow rate is 1200 l/hr although it is capable of higher flow rates.
Its **capacity at 300 ppm calcium carbonate is 5000 litres.

35 litre:
The service flow rate is 1400 l/hr although it is capable of higher flow rates.
Its **capacity at 300 ppm calcium carbonate is 5833 litres.