12 pack furnace filters on sale

[Racer X]

Fan runs at low speed 24/7. Cleans the air, and helps stabilize the temps between downstairs and upstairs.

[jdc]

These filters are for both heat and cool.

I have an iCal alert for the end of February, July and September -- then we shut it off usually for October, November -- then kick on the heater for December and January and sometimes part of Feb. Goes off again in March April May -- but hot in June and July when it gets run a lot.