Often called the pre-filter since it is placed on the air line just prior to the air dryer, a coalescing filter removes oil, particles and moisture before it can come in contact with the desiccant in the dryer and ruin it.

Search below for your Watts Coalescer Filter replacement to find the matching filter replacement needed.

If you have questions about how to find a coalescer filter replacement or don't see the coalescer filter you need, call our knowledgeable customer service team toll-free: 866-650-1937.