Lennox X5424 2pk | Air Filters | Home Filters | DiscountFilters.com
AprilAire 16 in. x 25 in. x 4 in. 416 MERV 16 Pleated Filter for Air Purifier Models 1410, 1610, 2410, 2416, 3410, 4400 (2-Pack) 416 02 - The Home Depot
V Bank Compact Filter Combined Medium Efficiency Merv 16 Air Filter for Pig House - China V Bank Compact Filter, HEPA Filter | Made-in-China.com
X6675 Lennox 20x25x5 MERV 16 Filter for HCC20-28 Actual Size 19 7/8 x 24 7/8 x 4 | eBay
Generic iSH09-M416870mn Biodefensor MERV 16 Air Filter Material Roll - Made in USA - DIY Filtration Projects
Lennox X7935 20x20x5 MERV 16 Replacement Air Filter