Vudex AprilAire 413 Replacement Air Filter 16x25x4 for Whole House Air Purifiers-MERV 13 2-pack (NEW)413 filter is compatible with AprilAire Whole House Air Purifier Models, including 1410, 1610, 2140, 2400, 2410, 2416, 3410, 4400, or Space 2400 with Upgrade Kit 1413, also replacement for AprilAire 410 413 air filter. Please ensure to check your model number before placing an order. 2 pack MERV RATING 13: These HVAC filters feature Merv 13 filtration material, capable of filtering 90% of 3 10m particles, 85% of 1 3m particles and 50% of 0. 3 1m