Resideo - Honeywell Home TRN2121T1 Media Air Filter

TRN2121T1 Media Air Filter from Resideo Honeywell Home delivers high-efficiency filtration for indoor air quality. This pleated media air filter is designed for the Residential Perfect Fit Media Air Cleaner, delivering reliable performance in living spaces like living rooms, bedrooms, and corridors. With a compact footprint of 21-1/2 in. W x 21 in. H x 5 in. D, it fits typical residential filter slots while maintaining strong airflow and easy replacement for busy households.

Equipped with a MER value of 10 and a low pressure drop of 0.17 in. WC at 500 FPM, it captures a broad range of indoor contaminants without hindering system performance. The filter supports three-stage filtration with E1 (22%), E2 (61%), and E3 (87%) efficiency levels, delivering cleaner air across primary living spaces. It operates in a wide temperature range from -40 Deg F to 140 Deg F and complies with ASHRAE 52.2 and UL 900 standards for residential air cleaners.

• Pleated media air filter designed for efficient, high-quality filtration and strong particle capture
• Fits the Residential Perfect Fit Media Air Cleaner for quick, worry-free replacement
• Three-stage filtration with E1 22%, E2 61%, E3 87% efficiency
• Low resistance: 0.17 in. WC at 500 FPM; MER value 10
• Temperature range -40 Deg F to 140 Deg F; ASHRAE 52.2 and UL 900 compliant

Dimensions: 21-1/2 in. W x 21 in. H x 5 in. D. This filter supports indoor air quality goals while providing reliable performance in residential applications.