Watkins Hot Spring 71826 spa filter – 30 sq. ft.

The Watkins Hot Spring 71826 30 sq. ft. cartridge replaces the filter in compatible systems. Its two-opening design must match your spa's filter housing.

Compatibility: choosing the right filter

For certain Watkins Hot Spring, Hydropool Industries, and other systems using the equivalent part numbers below. Confirm the model and dimensions.

Features and dimensions

• Filter area: 30 sq. ft.
• Diameter: 5 7/8 in.
• Length: 10 1/2 in.
• Top and bottom openings: 1 15/16 in.
• Contents: 1 filter

Equivalent part numbers to compare

• Watkins 71826
• Pleatco PWK30
• Unicel C-6330
• Filbur FC-3915

Before purchasing, compare the part number, dimensions, and both ends with your current filter. An equivalent part number 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, year, and a photo of your filter showing its part number. You can also browse our spa replacement cartridges.