Introducing the full line of Culligan Refrigerator Water Filters

Celebrating over 13 years in business, TST Water, LLC, the manufacturer of Culligan refrigerator filters, is committed to providing quality products to the water filtration industry worldwide. With over 150 years of combined experience, TST Water is a leading manufacturer of aftermarket refrigerator replacement filters, as well as filtration products for swimming pools, dishwashers, the food & beverage industry, and even filtered water for pets.

  • Compatible With All Major Brands of Refrigerators
  • NSF Certified to Standards 42 & 53
  • IAPMO Certified Against NSF/ANSI 42,53 & 372
  • Reduces Lead
  • Reduces Cysts
  • Made in USA