An UltraZap cartridge filter casing: a housing for a standard cartridge filter element, installed inline in your pond plumbing for straightforward mechanical filtration. Water passes through the cartridge, which traps particulate solids, and the housing opens for a quick clean or swap.

It suits garden ponds, pools and large fish tank setups where you want a simple, serviceable pre-filter stage — the same inline principle used in aquarium canister filtration, scaled for bigger volumes.

Good to know:
– Sold as the casing only — bring your own cartridge
– Takes a standard cartridge filter element
– Installs inline in pond or pool plumbing
– Quick to open for cleaning and cartridge changes