This is a BRAND NEW Box of furnace Air Filters. 12 Filters come in the box and the filter size is 12x20x1. These are high flow filters that won't cut down the air flow through your furnace potentially causing overheating problems in the winter and/or icing problems in the summer.
The primary purpose of a filter is to protect HVAC equipment in your home. In doing so it also improves the air quality in the home.
Replaces Old Part #s:
Repair Difficulty Level:
Partial List of Units that Use This Item:
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