Quartz sand for swimming pool filters certified

Quartz sand is a natural, clean and safe material with excellent filtering properties.
Dried, washed several times and has up to more than 98% quartz content!
Thanks to it, the water in your pool will be perfectly clean, while the filters will be more efficient, due to the fact that they will consume less electricity and work better.
High grade and purity PREMIUM quartz sand does not contain any biological impurities and is certified by the National Institute of Hygiene.

Specification:
- Manufacturer: Kwarcpol
- Weight: 25 kg
- Certified by PZH
- Quartz content: >98,8%

Set contains:
- Filter sand 25 kg

- Purpose: pool pumps, sand filter pumps
- Natural, pure and safe
- Does not contain any biological impurities
- PZH ATTESTED for filtering drinking and industrial water
- Quartz content: >98.8%
- Weight: 25 kg.