Arms collectors or Crepinas AstralPool of ¾ "for sand pool filters.
The function of the Crepinas is to capture the water from the bottom of the filter once it has been filtered. During the washing of the filter they are in charge of lifting the filter load and evacuating the residues retained in the purification plant.
Every certain time (8-10 years) it is advisable to completely empty the filter load from your pool and check the existing Crepinas in the filter.
Slot Gauge: 0.3 mm
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