The Smog-Hog 33-0001 is a reusable aluminum mesh prefilter engineered for the SH, SHN, and PCN electrostatic precipitator series. It mechanically traps large particulate matter before the air stream reaches the ionization and collection cells, protecting the heart of your ESP system and helping maintain consistent capture performance.

Built from heavy-duty, washable aluminum mesh, this prefilter is designed to be cleaned and reused rather than replaced. Regular cleaning keeps system static pressure and airflow within proper range, which protects both efficiency and the life of the downstream cells. Depending on your unit setup, the 33-0001 can also double as an afterfilter.

As a genuine Smog-Hog replacement part, the 33-0001 is a simple, cost-effective way to keep your precipitator running at its best. Contact our team if you need help confirming the right prefilter for your unit.