Signature Spa Filters Canada

Replace your Signature Spa filters with quality online filters in Canada.

Popular Signature Spas filters include:

  • 35 sq. ft. filter replaces PRB35‐IN, C‐4335, FC‐2385 measuring 9 1/4″ long x 5″ in diameter and center hole top and bottom measuring 2 1/8″ inner diameter.
  • 25 sq. ft. filter  compatible with PRB25-IN, C-4326 and FC-2375 measuring 13 5/16″ long x 5″ diameter with top and bottom holes at 2 1/8″ inner diameter.
  • 25 sq.ft.  compatible filter to C-4405, PRB25SF-PAIR, FC-2387 with 6 5/8″ length and 5″ outer diameter and center hole measuring 2 1/8″ wide.
  • 35 sq. ft. filter compatible with C-4401, PRB17.5-S, FC-2386 measuring 4 15/16″ long x 4 5/8″ diameter with center hole 2 1/8″ wide.
  • 50 sq. ft. filter replaces PRB50-IN, C-4950 and FC-2390 measuring 13 5/16″ long x 5″ outer diameter with 2 1/8″ center holes top and bottom. This is compatible with C-4950 GT305, Performance and Jewel Series spa filters. This is a 50 sq. ft. filter that is very popular on many QCA Spas models.

The filter type used in these types of hot tubs is a floating weir door. Remove the filter lid to access cartridge.