The Philips Shower Filter AWP175 is a screw-in shower head filter designed for easy installation with a universal connection thread. Made of durable plastic, this unit comes with a replacement cartridge included, making it convenient for maintenance. Suitable for showers in the bathroom, this NSF certified filter ensures integrated water filtering for a refreshing and rejuvenating shower experience. Manufactured by Philips, this shower filter is a reliable and high-quality addition to your home.