20" X 37" X 2" MERV 11 Pleated Filter For Geothermal Systems
(case of 6 Filters)

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In Stock
Price: $139.95
($23.33 ea)
case of 6 Filters
20" X 37" X 2" MERV 11 Pleated Filter For Geothermal Systems

NOTE: Due to the unusual size of this filter - it will be a "double" - or 2 filters taped together to meet nominal dimensions

(actual size 19.5" X 36.5" X 1.75")

Developed specifically to replace the hard-to-find filters for WaterFurnace, Climatemaster and other geothermal heating and cooling systems.  Protect your heating and air conditioning equipment and promote excellent indoor air quality with this high-efficiency pleated filter.  These pleated panel filters are engineered for sturdy performance and ease of use and provide an upgrade over standard pleated filters.

  • Extended-surface pleated filter is engineered to provide higher initial efficiencies and better overall performance than common pleated filters
  • Pleated media means greater filter surface area and high dust holding capacity
  • Highly specialized synthetic media promotes high performance throughout filter lifecycle Low resistance to airflow
  • Moisture-resistant beverage board frame and sturdy support grid for even pleat spacing and structural support
  • MERV 11 rating means the filter attracts common large household allergens like dust, pollen, and mold spores as well as smaller particulate like pet dander and small dust particles
  • Replace every 90 days under normal use
  • Fits WaterFurnace 5 Series 500A11, replaces part # 59P509-10