Experience premium filtered water with the BWT Professional Plus Series Inline Water Filter System. This innovative system is designed for both residential and commercial spaces, providing a difference you can taste. With cartridges available in 0.5, 1.0, and 5.0 micron ratings, you can choose the perfect fit for your needs. Simply mount the system under your sink and twist in your selected cartridge. Make the right choice for the environment and your body with BWT.