Tier1 Replacement for Trion Aire Bear 20x25x5 Merv 8 259112-102 & 255649-102 Air Filter 2 Pack Replacement filter for the Trion / Air Bear Supreme 2000 Air Cleaner Cost-effective alternative to the expensive OEM filter Actual Size: 19 3/4 inches (length) x 24 1/4 inches (width) x 4 15/16 inches (thickness) Made in the USA Replacement for: Trion Air Bear 259112-102 & 255649-102.