How to Measure and Find Your Spa Filter

There are hundreds of spa filters out there and we want to make it easy to find the one that fits your spa! Here are some helpful tips on how to measure your current Spa Filter:

Measure the length of the filter from top to bottom

Measure the Length from top to bottom

Measure the Outside Diameter of the Filter and the Inside Diameter of One End of the Filter

Outside and Inside Diameters

Many filters will have a Part Number stamped on the top or bottom that corresponds with that specific filter. Ex: PRB25-IN

We recommend bringing in your filter when you come to buy a new one to guarantee that it will fit your spa!

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