How do I know which hot tub filter to order?

Ordering a new hot tub filter can be challenging. We often get the question "Which filter do I need to order to replace my old one?" The world of hot tub filters can be a confusing place. There are literally hundreds of different filters available coming in all shapes and sizes. Don't worry we're here to help!

The hot tub filters section of our store has a huge selection of the most popular filters. Most filters are arranged a the letter C followed by a 4 digit number. For example C-4950 is a common filter for Beachcomber brand hot tubs and C-8475 is a common filter for Maax Spas.

Are you unsure which filter to order? Send us a photo of your filter with measurements of the length and diameter to and we'll get you sorted out! It helps if you can send photos of the top and the bottom so we can see what type of fittings it has. We can also special order in certain filters if they aren't in our regular stock including cartridge filters for custom hot tubs and pools.