OMNIFilter U30-S-S06 Standard Whole House Filter Clear whole house water filter system for homes with 3/4" incoming water lines Extend the life of your water using equipment, such as water heaters, dishwashers, ice makers and other appliances by allowing them to operate more efficiently, saving money and energy Built in water bypass feature allows you to change cartridges without turning off the main water supply Clear water filter system for the entire home with clear housing so you can tell when to change the cartridge Includes RS1 cartridge to reduce sediment, sand and dirt and rust particles