AlorAir 4 Pack Merv-1 Filter for Crawl Spaces Dehumidifiers Helios D35

This MERV-1-rated filter effectively captures microscopic air particles as small as 10 microns without affecting airflow. Specification Dimensions: 11.61"D x 0.39"W x 7.09"H Weight: 0.35 lbs Features Easy to replace and use Aluminum frame design enhances structural stability Regular filter replacement can boost compressor efficiency Changing the Filters Replace as needed, with a recommendation of every 3-6 months Follow the arrow indicator on the border for the correct installation direction