Rx Clear Luster Filter Media Balls for Sand Filters, White, 4 Packs

Made for sand-filter systems, Rx Clear Luster media balls provide high dirt-holding capacity while resisting clogging. Their lightweight construction traps particles down to 3-5 microns and keeps pressure increase to a minimum, reducing backwash frequency. Non-toxic and simple to dispose of, the media also delivers a long service life of up to 5 years. Supplied as a 4-pack of white filter balls.