Unicel C-8610 100 square foot replacement filter cartridge, open top and bottomUnicel Cartridge Filter, CX1100RE, C-8610 In stock$10099
Unicel C-8610 100 square foot replacement filter cartridge, open top and bottom
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Unicel Cartridge Filter, CX1100RE, C-8610

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$10099
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Quick overview

  • One hundred square feet The full 100 sq ft element, so the filter keeps the surface area it was sized around.
  • Hayward® Star-Clear II C-1100 Made as the replacement element for that filter, in place of OEM CX1100RE.
  • Open both ends Open top and open bottom, each with a 4-1/16 inch inside diameter.
  • Eight and a half inch diameter Outside diameter 8-1/2 inches, so it drops into the tank the original came out of.
  • Cross references Pleatco PA100 and Filbur FC-1290 refer to the same element.
  • Part number C-8610 UPC 678285180184, for matching against the end cap on your old cartridge.
Full description and specifications ↓

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Product details

The Unicel C-8610 is a 100 square foot replacement filter cartridge for the Hayward® Star-Clear II C-1100. It goes in place of the Hayward® OEM element CX1100RE and carries the same open top, open bottom construction with 4-1/16 inch inside diameters at both ends.

Sizing and cross references

The element measures 8-1/2 inches across the outside. The source data lists the length two ways, 22-3/8 inches in the specification table and 23-3/8 inches in the product detail, so measure your old cartridge if you need certainty before ordering. The same element is sold as Pleatco PA100 and Filbur FC-1290.

Getting the life out of it

Cartridges last longest when they are rinsed properly, soaked when the oils build up, and given time to dry before going back in. Replace rather than clean once the pleats are matted or torn, once the end caps have pulled away, or once a clean cartridge no longer brings the filter pressure back to where it started the season.

Specifications
Brand Unicel
Manufacturer part number C-8610
UPC 678285180184
Square footage 100 sq ft
Outside diameter 8-1/2"
Length 22-3/8" per the attribute list, 23-3/8" per the product detail
Top style Open, 4-1/16" inside diameter
Bottom style Open, 4-1/16" inside diameter
Filter manufacturer Hayward®
Fits Hayward® Star-Clear II C-1100
OEM number CX1100RE
Pleatco number PA100
Filbur number FC-1290
Shipping weight 7.05 lb
Ships Parcel

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Customer reviews

Questions and answers

What people ask about this product, answered by our pool techs.

Which filter does this fit?
The Hayward® Star-Clear II C-1100. It goes in as the replacement for the OEM cartridge CX1100RE.
How long is the cartridge?
The source data gives two figures, 22-3/8 inches in the attribute list and 23-3/8 inches in the product detail. Measure the cartridge you are replacing before ordering if the fit is tight.
What do PA100 and FC-1290 mean?
They are the equivalent part numbers from Pleatco and Filbur for the same element. If your old cartridge carries one of those numbers, this is the Unicel equivalent.
When should a cartridge be replaced rather than cleaned?
When cleaning no longer brings the pressure back down, or when the pleats are matted, torn or the end caps have separated. Cleaning buys time, it does not restore a collapsed element.
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