Intake filter

Intake Pre-Filter A must for environments with air-borne particles like sawdust or lint.  We suggest 2 intake filters. When one gets dirty – replace with second – clean first filter so it’s ready when second gets dirty. Simply remove retaining bar at top to hold pre-filter in place.  Available for 18″, 36″ and 48″ Portable Evaporative Coolers.
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