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Glasfloss ZL 13x21.5x1 MERV 10 (FPR 5-6) AC Furnace Air Filters. (Box of 6). Actual Size: 12-7/8 x 21-1/2 x 7/8
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Glasfloss ZL 13x21.5x1 MERV 10 (FPR 5-6) AC Furnace Air Filters. (Box of 6). Actual Size: 12-7/8 x 21-1/2 x 7/8

$116.98
$67.95
(You save $49.03 )
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  • Actual Size: 12-7/8 x 21-1/2 x 7/8 | Nominal Size: 13 x 21.5 x 1
  • Filtration Rating: MERV 10. Comparable to MPR rating 600 to 800, or FPR 5-6 rating.
  • Improved MERV 10 Filtration with similar air flow and resistance as a MERV 8 filter. Durable & Long Lasting: Heavy duty frame won't buckle.
  • Made in the USA. Ideal for residential, commercial, schools, health care, & industrial filtration applications.
  • For optimal performance, recommended to change at least every 3 months.
60 Day Return Policy
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