10 Pack HEPA550 Air Filter Replacement Set MERV-13 Compatible with AlorAir CleanShield HEPA 550, 13.7"×14.8"×0.8"

From the Manufacturer

COMPATIBILITY: MERV-13 Pre-Filter Replacement Set Compatible with ALORAIR CleanShield HEPA 550. FEATURES： MERV-13 Pre-filters A MERV-13 pre-filter is the first filter airflow passes through. The product filters the largest particles, allowing smaller ones to pass through. Pre-filters are generally changed the most frequently. PACKAGE: 10 X MERV-13 pre-filter This is not an ALORAIR OEM product. The ALORAIR brand names and logos are the registered trademarks of their respective owners. Any use of the ALORAIR brand name or model designation for this product is made solely for purposes of demonstrating compatibility.