24 1/2x27x1 Trane ReplacementMERV 10 Plus Carbon AC Furnace Filters 6 Pack pest-and-disease-control Rapid Release: Mites emerge 3-5

Rapid Release: Mites emerge 3-5 days after application of Rapid Release sachets

Features: Low frequency

wiped on or used in a fogger

Features dual 120mm PWM-controlled DC fans that are highly efficient in maximizing airflow at lower noise and power levels

Possibly the strongest REUSEABLE duct on the market with a cost similar to the leading competitor's regular 3-ply duct

24 1/2x27x1 Trane ReplacementMERV 10 Plus Carbon AC Furnace Filters 6 Pack pest-and-disease-control Rapid Release: Mites emerge 3-5Nordic Pure 24 1 2x27x1 Trane Replacement MERV 10 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30 90 days. Our 4, 5 and 6 inch thick filters could last up to 6 months. EXACT MEASUREMENT: