The Culligan S1A Sediment Whole House Water Filter Cartridge reduces sediment rust scale dirt coarse sand and silt protecting your home’s plumbing and extending the life of washing machines water heaters water softeners fixtures faucets and other water-using appliances. The replacement cartridge is for use in the following Culligan models: HF-150A HF-160 HF-360A WH-S200-C and most other brands’ standard filter housings. The filter is not recommended for use with non-treated well water supplies. Cartridge life lasts up to 4 months or 16 000 gallons depending on water quality. Culligan makes getting cleaner water safe easy and convenient. With whole home filters under-sink filters shower filters and more we have all your water filtration needs covered. Visit our website to schedule your free water test or an appointment with your local Culligan water expert.