Sand filters work by allowing water to cycle through a canister that contains sand. The water flows through the sand with ease, but larger particles are unable to pass through. Once the debris and other particles have been filtered out by the sand, a pump moves the clean water back into the pool.
Your sand filter can last anywhere from 15 years to 25 years or more if cared for and maintained well. Most of the time, you may need to replace parts like valves and gaskets, but you probably won't need to replace the whole system for many years.
On average, sand should be replaced every 3-5 years. This may be longer if the pool stays clear, or shorter, if the filter runs all the time. The jagged edges of the sand wear down and become smooth as the sand ages.
Fiber Glass Media Filter :
30 (S750)
Nominal size 30 inches
Tank diameter 750mm
Mpv size : 2 inches
Filter area 0.44 m3
Sand required 230 kg
Pressure
1. Working kpa 250 kpa
2. Max kpa 370 kpa
Max flow rate
1pm 390 1pm
M3/h 23 m3/h