The purple dot is a factory color-coding used by Lennox to quickly identify the specific pressure rating (0

Built with a 56HZ NEMA frame and a 7/8-inch shaft diameter

ensure the coil voltage matches the existing control circuit

while the 1/4" standard drain valve facilitates easy blow-down maintenance

reliable mounting

Amana-Goodman AEP-1856-3 Filter 318973-401 The purple dot is aThe Amana Goodman AEP 1856 3 Filter is a high performance activated carbon air filter designed for a wide range of HVAC applications, specifically compatible with 20x20 and 20x25 air cleaner housings. This 3 pack of replacement HVAC filters utilizes advanced carbon media to effectively capture and neutralize common household odors, volatile organic compounds (VOCs), and airborne pollutants. By integrating activated charcoal technology, the AEP 1856 3