12
Apr
By part number A genuine quality hot tub filter will have a part number stamped on the end cap (see example). It can be a Darlly, Unicel, Pleatco or Filbur number. It can even be a part number from the manufacturer. Just find the number printed on your hot tub cartridge, type it into the box, and click the Find My Hot Tub Filter button. By manufacturer Here's another way to find your hot tub filter, when you don't see a part number printed on the end cap, you probably have a filter cartridge from the original equipment manufacturer. We…