Unicel 4CH-935 Replacement 35 SqFt Filter Cartridge for Hot Tub, 219 Pleats
Unicel
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Unicel 4CH-935 Replacement 35 SqFt Filter Cartridge for Hot Tub, 219 Pleats

About this item

  • Replacement 4CH-935 filter cartridge ensures your water stays clear so you can enjoy relaxing in your spa or hot tub
  • Features 35 square feet (219 pleats) of 3-ounce basis weight media that catches debris and particles down to an average of 20 microns in size
  • Sharp, uniform pleat folds maximize water flow, minimize pressure loss, and allow full use of the pleat surface to hold more debris
  • Constructed with 100-percent polyester Reemay material that balances dirt-holding capacity, cleanability and durability with excellent chemical resistance properties
  • Design includes a 2-inch female SAE thread and a v-groove semi-circular handle for easy cartridge removal and replacement
  • Durable end caps resist damage from chemicals and assure durability for the life of the cartridge
  • Compatible with Waterway Plastics, Nordic Hot Tubs, Rising Dragon, and Master Spas
  • Filter life depends on routine maintenance and spa water chemistry
  • Change filter when there is a shorter cycle between cleaning, low water flow rate or high differential pressure, when the media has a tear, or if the center core collapses
  • Media material: Spun-bonded polyester
  • End cap material: Plastic
  • OD: 4-15/16 inches
  • Length: 9-1/4 inches
  • Overall dimensions (L x W x H): 4.94 x 4.94 x 9.25 inches
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