Filter Balls


Fiber-ball is manufactured from polyethylene. It is a direct replacement for traditional sand, making it suitable for above wood-fired hot tubs.

  • Excellent filtering result, removing particles
  • Does not stick together or harden like sand does
  • Very easy handling due to low weight
  • Low cost, 700 g for an equivalent of 25 kg of sand
  • Easy to dispose of with standard domestic waste
  • Less pressure increase and energy saving
  • Less repairs, no problems or defects on seals
  • Resistant to swimming pool chemicals
700g fiber-ball = 25 kg sand
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Filter capacity:

Filter modelFilter Balls (g)equivalent Sand (kg)
Classic 30056020