MERV 16

AprilAire 216 MERV 16 Air Filter for Whole-House Air Purifier Models 1210, 1620, 2120, 2200, 2210, 2216, 3210, 4200, Space-Gard 2200 with Upgrade Kit 1213

AprilAire 416 MERV 16 Air Filter for Whole-House Air Purifier Models 31410, 1610, 2140, 2400, 2410, 2416, 3410, 4400, Space-Gard 2400 with Upgrade Kit 1413

AprilAire 516 MERV 16 Air Filter for Whole-House Air Purifier Models 1510, 2516