Maximize your resources and savings with Culligan’s High Efficiency (HE) 1-Inch Water Softener. This system brings your better, softer water that can extend the lifetime of your appliances, heating, and plumbing systems. This softener features Aqua-Senso(R) technology and automatically adjusts to the changes your home water is bound to experience. Customize your water softness with this advanced system and allow it to regenerate only when necessary. Read more here.