Cartridge Size 4.2" width x 5.4" height (w10.6cm x h13.6cm)
These cartridge filters fit the complete Bestway Lay-Z-Spa range.
Bestway recommend that you change your filters every two weeks, in practice & especially during the summer holidays when pool and spa use is normally higher, you may find that your pump runs more efficiently if you replace your cartridge sooner, perhaps try changing them every week.
These Bestway Filter Cartridges may also fit other manufacturers filter pumps, if you are unsure what size you need, remove your filter catridge from your pump and measure against our dimensions.
