Bestway/Flowclear Polysphere Flowclear/ Bestway

Polysphere is a new alternative to sand and glass.

Advantages :

Reusable for 3 to 5 years

Ultra lightweight therefore easy to use

Superior filter results

Environmentally-friendly

You can simply wash the Polysphere balls in the washing machine every three weeks.

Without any washing detergent or fabric softener.

You can fill the sand filter twice with just 1 small box.

Disadvantage:

You cannot use the backwash function on the filter.