Pleatco PDO-UF40 spa filter - Compatible with 4CH-940, FC-0177

The Pleatco PDO-UF40 filter is a 40 sq. ft. replacement cartridge for compatible systems. The Unicel, Filbur, and Baleen numbers below are provided for comparing equivalents; they do not indicate the brand of the product sold.

Compatibility: choose the right filter

Systems using the PDO-UF40, 4CH-940, or FC-0177 format. Compare the dimensions and connection before ordering.

Features and dimensions

• Filter area: 40 sq. ft.
• Diameter listed on the specification sheet: 11.4 cm
• Length: 38.1 cm
• Top: semicircular handle
• Listed bottom opening: 3.2 cm
• Washable media

Equivalent references to compare

• Unicel 4CH-940
• Filbur FC-0177
• Baleen Filters AK-9009

Before buying, compare the part number, dimensions, and both ends with your current filter. An equivalent reference must also match your system’s configuration.

Maintenance and replacement

Rinse the filter media regularly according to the manufacturer’s recommendations. For a more thorough cleaning, use a cleaner suitable for spa filters. Replace the cartridge if it is damaged, deformed, or can no longer be cleaned effectively.

Need help choosing?

Write to Piscine Hippocampe with the spa’s brand, model, and year, along with a photo of your filter showing its reference number. You can also browse our spa replacement cartridges.