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Fits Aprilaire Cleaner Models 2200 and 2250, 4200/2210 and 2200/2120, 2400, 4400/2410 and 2400/2140, and 5000

Upgrade Kits for Models 1213 and 1413

For Aprilaire Humidifiers

Air filters ranging from sizes 14" x 20" x 1 to 18 " x 20" x 1"

Captures a high percentage of household air particles, also including those at 0.3 micron which are most harmful to your lungs

Includes Lennox Washable Filter

Includes Precisionaire filter rolls and smilie filter