Easy to replace filter cartridge traps dirt and contains a natural substrate which
helps to maintain healthy clear water between servicing. Supplied in packs
containing - 1 new filter cartridge 1 cleaning pad and 1 water treatment sachet
simply unclip the old cartridge and fit a new one every 4-8 weeks just like taking
out the rubbish. Service kit eliminates the need to cut filter foam deal with messy
carbon and measure out doses of water treatment.