The Culligannd is considered one of the topnds in the water softening industry. A veteran in the business, their water softening products have been in use since the ‘s and still getting steady sales year after year..Culligan offers drinking water solutions to meet your needs. Find water softeners, filters bo.ed water delivery for your home..Review of the Culligan Water Filter HF NOT a water softener! Review by iowajazzlover. Clarification of Culligan whole house water filters. Review by .We decided to get a water softener. The Culligan man came to our house and showed us the system. We decided it was right for our family and we bought it. The water softener saves us money and makes our hard water much softer..