Filter Element Store

Compressed air filter grades can get confusing fast, especially when trying to compare AO, AA, and AC elements across different systems.

We put together a simple guide explaining common Domnick Hunter coalescing filter grades, typical applications, and where each stage fits in a compressed air system.

✔ AO pre-filtration
✔ AA high-efficiency coalescing
✔ AC activated carbon v***r removal

Read the full guide here:
https://filterelementstore.com/news/domnick-hunter-filter-grades/

Learn how to choose the correct size of Activated Alumina desiccant for your compressed air dryer.

Activated Alumina Desiccant for Compressed Air Dryers: How to Choose the Right Size Learn how to choose the best size of Activated Alumina desiccant for your compressed air dryer. Over 20 years of desiccant experience.

Thanks to all of our customers for a crazy 2025! This little family business shipped over 80,000 items this year and is thankful for all of you. Stay tuned and enjoy your time off!