18" X 24" X 2" MERV 11 Pleated Filter For Geothermal Systems
(case of 4 Filters)

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1 Week To Ship
Price: $65.59
($16.40 ea)
case of 4 Filters
Suggested: $89.95
MERV 11 Pleated Filter For Geothermal Systems
Nominal Dimensions - 18" x 24" x 2"
Actual Dimensions 17.75" X 23.75" X 1.75"

Specifically developed to replace the hard-to-find filters for Climatemaster, WaterFurnace, and other geothermal HVAC systems. Use this high-efficiency filtered to promote high indoor air quality while safeguarding your heating and cooling equipment. Engineered for consistent performance, ease of use, and to provide a better experience over standard pleated filters.

Highlighted Features:
  • Pleated filter creates a greater media surface for high dust holding capacity
  • Designed to provide better efficiencies and higher overall performance than common non-extended surface pleated filters
  • Built with a moisture-resistance beverage board frame and a strong support grid for even spaced pleats with a great structural support.
  • Promotes high performance using a highly specialized synthetic media
  • Low resistance to airflow
  • Filters common large allergens such as dust, pollen and mold spores. Can also attract and filter smaller particulates including pet dander and fine dust.
  • 90 day Filter - replace sooner with heavy use
  • Fits WaterFurnace 5 Series 500A11, replaces part # 59P509-13