This is a replacement for Honeywell Room Air filter # 272684, and AirExchange # 182404A, which fits Honeywell Energy Recovery Fresh Air Ventilation System (ERV) models ER90 and ER100, AirExchange model 503 series.
Approximately 5-3/8" x 17" x 1/8"
Used in Models:
Honeywell ER90 series, ER100 series, ER100A1035
AirExchange 503 series