Pleated air filters are 40% efficient and features a filtration medium that is arranged in a metal-backed pleat configuration. This filter contains a greater amount of dust catching filtration media than standard type fiberglass filters, yet fit in the same size filter racks. Available in many si... View Full Description

Space Guard Filter Media #201. Fits the Space Guard 2200 and the Lennox PMAC-20C air cleaners.... View Full Description

Space Guard filter media #401 fits the Space Guard 2400 & Lennox PMAC12C air cleaners... View Full Description

Fits the Space Guard 5000 electronic air cleaner.... View Full Description

Fits the Aprilaire air filter model 2120... View Full Description

Fits the Aprilaire filter model 2140... View Full Description