APRILAIRE # 501 MERV 10 for Model 5000.
(Package of 2)

Aprilaire 1213 Upgrade Kit for Models 2200/2120

Aprilaire 1413 Upgrade Kit for Models 2400/2140

Aprilaire 201 Air Filters – Air Purifier Model 2250 and Model 2200 MERV 10 Rating   
(Package of 2)

Aprilaire 401 Air Filters – Aprilaire Model 2400 Air Purifier MERV 10
(Package of 2)

Genuine Aprilaire Model No. 413 Replacement Filter For 2410 / 4400 Media Air Cleaner
(Package of 2)

Original Aprilaire Model No. 213 Replacement filter for 4200 / 2210 Model Air Cleaner
(Package of 2)