Trane FLRQB5FR21M11 Filter 318973-401 Universal Compatibility: Fully interchangeable with

Universal Compatibility: Fully interchangeable with Honeywell 0901753A/U

It operates on 115V AC

and Armstrong units that utilize Ranco-style reversing valves

Key Benefits for Technicians: Direct OEM Fit: Eliminates the need for field modifications or bracket fabrication during installation

Reliable System Integration: Designed to maintain original factory sequence and safety parameters without modification

Trane FLRQB5FR21M11 Filter 318973-401 Universal Compatibility: Fully interchangeable withProfessional grade Trane FLRQB5FR21M11 QuikBox media filters are engineered for high capacity performance in TFM210B0FR0 and Perfect Fit filter cabinets. These genuine OEM replacements utilize a synthetic fiber media that achieves a MERV 11 efficiency rating, effectively capturing up to 85% of airborne particulates including dust, lint, and common allergens. Designed with a 4. 7 inch depth to provide superior dust holding capacity compared to standard