UPDRAFT Practical Pleat 5" Filter for Air Handler Filter Rack or Reverse Flow Systems - MERV 11 (2 Pack)
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The Updraft Practical Pleat 5" thick pleated filters are designed to fit into air handling units that normally use a 1" filter, but have enough room for a deeper filter; as well as other applications where reverse airflow is needed. The airflow is reversed on the Updraft Practical Pleat as compared to the regular Practical Pleat, note the arrow direction in the photo. The foam side of the Practical Pleat slides into the filter slot and rests against your air handler, and the filter will protrude into the space. Simply remove your old 1" filter, and slide the Practical Pleat into place!
This is the Updraft version, click here for the normal Practical Pleat for return grilles.