The Polar Vortex Is Back - 25% OFF on all items!

Don’t Risk Losing Heat

Don’t wait until the cold hits hard. Protect your heat system and stay warm with our biggest savings of the season.

Stay ready. Stay warm.

Sale ends December 11 — shop now before it’s gone.

This is the black top hub portion of the filter only. This meets specifications for ALL Outdoor Boiler models and a filter assembly must be installed on all furnace installations.