Geothermal 21x33x2 MERV 11 Air Filters (6 Pack)

Made in USA
  • SP-21x33x2A-P11M6

List Price $421.83

Our Price: $210.91

Save: $210.92!
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Made to order (Ships in 3 business days)
Replace every 3-4 months
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  • Product Overview
This item is made to order, non-returnable, and ships within 2-4 business days. Please check the actual dimensions listed below prior to ordering.
Notice: Air filters are often cut slightly smaller than the actual measurement during the manufacturing process. A margin of error of up to 1/8" is allowed without negatively affecting the overall fit and performance of the air filter.
21x33x2 / 33x21x2 Geothermal Air Filter
  • MERV 11 rated per ASHRAE test standard 52.2
  • The actual dimensions of the filter are 21" x 33" x 1.75".
  • This is a double panel filter. Due to the large face area (length x width), two filters will be taped together to make this size. This is an industry standard practice and does not affect the performance of the filter.
Compatible Geothermal Heat Pumps / Heating & Cooling Systems
OEM Brand OEM Series OEM Model OEM Filter Part Number OEM MERV Value
GeoFinity /
Modine HVAC
Elemental Atlas (Horizontal) 018 82B209A00 13
GeoFinity /
Modine HVAC
Elemental Atlas (Horizontal) 024 82B209A00 13