Softub Filters

Welcome to the Softub Filters section of our store.

The filters listed below are known to fit Softub Portable Spas so follow these simple steps to match up your replacement filter cartridge.

1/ Measure the length (Do not include handles, threads, etc)

2/ Measure the outside diameter

3/ Measure the inside diameter of the opening. (If the top or bottom has an open hole)

4/ What the bottom style of the filter is, Hole, Male Slip, Fine or Coarse Male Thread, Push-Fit.

5/ What the top style of the filter is, Closed, Handle, Hole, Castle, Male Slip, 4 Y Clips, or Male Thread.

If you can't find your filter by spa brand you can search by length & diameter or contact us by email or phone.