Aprilaire® Replacement Media Filter, 16 in Width, 20 in Height, 4 in D, MERV: 11, 92 % Filter Efficiency, 22.2 sq-ft Media Area, 0.06 in-WC at 600 cfm, 0.2 in-WC at 1200 cfm Initial Resistance, 600 to 1200 cfm Air Flow Capacity

• Filters dust, pollen and mold spores from the air entering your home
• Protects your family's respiratory health
• Helps maintain performance of heating and cooling systems
• Removes 92% of particles between 3 and 10 um
• Self-Seal media virtually eliminates air bypass, delivering MERV performance as rated
• Easy installation and Instructions included
• Replace air filter annually for best air quality
• Made in Wisconsin, U.S.A
• For model 1110 air purifier

• Specification Sheet https://assets.unilogcorp.com/267/ITEM/DOC/Aprilaire_413_Specification_Sheet.pdf