For AprilAire 210 Replacement Filter 2PACk Whole House Air Purifiers MERV 11 Compatible with Aprilaire Models 1210, 1620, 2210, 2216, 3210

Filter Replacement for AprilAire 210 Whole House Air Purifiers - MERV 11 Dual Flow - Compatible with Aprilaire Models 1210, 1620, 2210, 2216, 3210, and 4200Optimum performance, It is recommended to replace the filter every 6-12month (Depend on Uses).Easy to Install: Enjoy simple, hassle-free installation in three easy steps. Optimum performance, It is recommended to replace the filter every 6-12month (Depend on Uses). Easy to Install: Enjoy simple, hassle-free installation in three easy steps.