Compatibility: This AWP175 filter element is compatible with the Philips AWP1775WH and AWP1775CH installation boxes. Suitable for handheld, rain, and combination showers, shower hoses, and faucets. Please check before purchase if there is space for the filter element. Premium Filter Material: The KDF material in the shower filter helps reduce impurities such as chlorine, fluoride, heavy metals, rust, sand, fine particles, and other sediments in the water, promoting cleaner water for bathing. Stable Water Pressure & Body Care: The shower filter maintains consistent water pressure, resists high temperatures, and helps maintain the desired water temperature. It helps reduce bad odors and impurities, contributing to smoother skin and healthier-looking hair. Softened Water: This shower filter helps soften water, which may benefit skin and scalp by reducing dryness and dullness. It can be suitable for families, including those with infants and young children, seeking improved water quality. Economical Combination: This package includes two filter cartridges, each with a capacity of 50,000 liters. It is recommended to replace the filter every 4 to 6 months, depending on water usage.