Replacement foam, gauze and spares for UltraZap gravity filters, covering every size in the range. Order individual pieces or a complete foam set for the 50L or 100L filter you run, plus 250mm diameter gauze and foam and a matching 250mm gravity lid.

A media refresh keeps the pre-filter stage of a gravity system trapping solids before they reach the biological stage — in garden ponds, koi setups, aquariums and fish tanks alike.

Good to know:
– Gauze with 25mm foam, and 50mm foam — each 250mm diameter
– 250mm gravity replacement lid
– Yellow foam, gauze or complete foam sets for 50L and 100L filters
– Choose the exact item from the options