BestAir Space Gard Replacement for Aprilaire 2400 (401)

When you buy a BestAir Space Gard Air Cleaner Replacement you know that it will fit your model because it says so right on the box. "It looks like it will work" and "I think it's the one" are guess-work phrases that you can eliminate from your vocabulary. Remember, if you need a new air cleaner part, you need the genuine BestAir Space Gard Air Cleaner Replacement. Nothing less will do! Manufacturer numbers are model specifit and prices may vary per application.