The Aqua One Ocellaris Canister Filter is an extremely quiet, energy efficient and powerful pressurised filter featuring easy to use technology. The Quick Release Tap System ensures fast, easy and mess free filter maintenance whilst the built-in primer primes the filter with ease. The Ocellaris includes biological and mechanical filter media to provide you with the ideal set up straight out of the box. The modular design enables the addition of extra filtration media so that you can customise the filter to suit any aquarium. Features: Quick Release Tap – Simply push the lever down to disconnect the taps before cleaning to avoid mess and spillages. Manual Primer – Just pull the primer a couple of times and your filter will prime all by itself. Includes wool, sponges and sintered glass filter media to provide you with the perfect set up straight away. Suitability: Coldwater, Freshwater Tropical & Marine Aquariums