Room Air-Filter: Dumb filter + K&N HVAC (reusable merv 11) + Programmable Outlet Device = Low cost and reliable.secular_dance_crime t1_jc4iys1 wrote
Reply to comment by maybewonderful in Room Air-Filter: Dumb filter + K&N HVAC (reusable merv 11) + Programmable Outlet Device = Low cost and reliable. by joshpit2003
The purpose of filtering the air is to keep a house cleaner vacuum. It prevents the house from absorbing dust by filtering it from the air before it settles.
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