In nature, water is filtered through layers of soil, sand, rock, and other natural materials like leaves. In home aquaria, we can replicate this through the use of external canister filters for the long-term health of your aquarium & its inhabitants. With such an abundance of external canister filters in the market, it can be difficult to decide which one you should choose, but given it is a crucial life-component system that keeps your fauna & flora healthy & attractive, you should choose the top-of-the-line filter while not sacrificing affordability, longevity, functionality, appearance & durability. A filter like the Fzone Astra-Stream External Canister Filter is not only elegant, but it blends in seamlessly & includes brushed 304 stainless steel body, high-performance water pump, RapidTap quick disconnects, vinyl tubing & quick-release clamps for easy maintenance or disassembly.