1. The filter can absorb coarse dirt, such as leaves left by rain. 2. When building a rainwater harvesting system with an inlet through a drain or downspout, it is essential that our house has a filter connector. 3. You can remove the cleaning filter and use it repeatedly, and remove the filter basket at the bottom of the faucet. There is also a fine aluminum fiber filter in the filter basket. 4. Non-toxic, environmental, safe to use.