Refresh your home plumbing and extend the life of your appliances with the Culligan HF-150A Whole Home Standard 3/4 Water Filtration System a must-have for those whose washing machines water heaters and more are in need of a convenient and effective upgrade. The standard duty Culligan whole house water filter system—which has a 5-year limited warranty—features a UV-resistant opaque filter housing material that comes in handy for outdoor installations. Designed to facilitate the reduction of sediment rust scale and other contaminants this whole home water filtration system includes the Culligan HF-150A filter case O-ring installation tool and step-by-step instructions for easy setup. Since water filters are sold separately consider shopping Culligan’s wide range of carbon filters and well water filters that provide coarse to extra-fine filtration to make your water the best it can be—and even better: You can easily install it all on your own.