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4 Inch Filters
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3-6-Pack143QualityFlow Rigid Cell Filter MERV 14 without Header
- Available in MERV 11, 13, and 14 rated per ASHRAE test standard 52.2 and exceeds the LEED standard.
- Lower Pressure drop than competitors means lower energy costs.
- 4" filter out performs a standard 12" filter, cost less and stores easily.
- Sustainable Component for LEED/ Green Building Initiative.
- All sizes come 3 to a case except 12x24x4 comes 6 to a case.
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