Brand new and high quality
This is a pre-filter, no external or pump included.
It is better to connect the prefilter with the external filter. Because the water is put into the prefilter first, its easy to filter the water impurities, and keep the filter media of the canister cleaner.
Material: Plastic
Base Diameter: Approx. 14cm/5.51inch, Bucket Length: Approx. 30cm/11.81inch