50 Sq. Ft. 11 Inch Replacement Filter | Caldera Spas

This genuine Caldera Spas 50 sq. ft. replacement filter is the nominal 11-inch cartridge for select Paradise Series hot tubs. Its exact length is 10-3/4 inches, making size an important distinction when choosing a replacement.

The cartridge features 3oz Reemay filter media with 200 pleats, a top handle and a 2-11/16-inch bottom opening. Compare its dimensions and replacement references with your existing cartridge before ordering.

Filter details

• Filtration area: 50 sq. ft.
• Nominal size: 11 inches
• Exact length: 10-3/4 inches
• Diameter: 7 inches
• Top: handle
• Bottom opening: 2-11/16 inches
• Filter media: 3oz Reemay
• Pleat count: 200

Compatible replacement references

• Caldera 1019401
• Caldera 73532
• Pleatco PCD50N
• Filbur FC-3963

Confirm the right fit

Check the reference on your existing cartridge and consult your spa owner's manual to confirm the correct filter for your model and year. Match both the dimensions and replacement reference, as 50 sq. ft. filters can differ in size and fit.