The range of rate of filtration of pressure filters is
- 1000 to 2000 litres per hour per sq. m of filter area
- 2000 to 4000 litres per hour per sq. m of filter area
- 4000 to 5000 litres per hour per sq. m of filter area
- 6000 to 15000 litres per hour per sq. m of filter area