Replacement Aluminum Pre/Post Filter for Trion Air Cleaners- 12-1/2 X 16 X 3/8 - Compatible with Trion Air Cleaner Models 16 X 25 MODELS HE1400, MAX5-1400, IAQ1400, AIRBEAR - (2-Pack)
Trion 266649-105 - 16" x 25" x 5" MERV 13 Pleated Air Filter - Amazon.com
TRION 272649-11-205 OEM-2 Air Filter 16x25x4 (2-Pack, MERV 11) Replacement Filter for Honeywell FC100A1029 / FC200E1029, Actual Size 15.8” x 24.75” x 4.375”