This home water filtration set combines a clear shell prefilter with a shower/bath filtration module and a tap water prefilter for everyday use. All components use safe materials and replaceable cartridges for easy maintenance. Seethrough prefilter: clear white shell lets you observe filter life and know when to elements. Safe, durable construction: ABS bodies with PP cotton filter media for reliable, longlasting filtration. Efficient filtration performance: designed to reduce particulates and impurities in household water for improved feel and clarity. Easy installation and maintenance: removable cartridges; universal fittings for common plumbing connections; compatible with most showers, taps, bathtubs, and washing machines. Compact, universal compatibility: compact modules with standard connections suitable for undersink, shower arms, tub spouts, and other residential setups. Use scenarios Daily shower filtration: enjoy cleaner water that is gentler on skin and hair. Tap water prefilter: protect washing machines and other appliances from sediment and mineral buildup. Bath time for sensitive users: provide filtered bath water for children or those with sensitive skin. Note: filter cartridges as needed according to usage to maintain filtration performance.