21x21x4.5 MERV 11 Rheem / Ruud Compatible Filters (2 Pack)

  • SP-21x21x4.5W-P11M2

Made in USA
List Price $121.99

Our Price: $60.99

Save: $61.00!
Made to order (Ships in 1 business day)
Replace every 6-12 months
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  • Product Overview
This item is made to order, non-returnable, and ships within 1 business day. Please check the actual dimensions listed below prior to ordering.
21x21x4.5 Whole House Air Cleaner Filter Replacement
  • Offers an economical alternative to the name-brand filter without compromising air quality or efficiency.
  • Actual dimensions of the filters are 20-3/4" x 20-3/4" x 4-3/8".
  • MERV 11 rated per ASHRAE test standard 52.2.
Compatible OEM Filter Media Part Numbers
OEM Brand OEM Part Number OEM MERV Value
Rheem / Ruud PD540012 10
PD540018 13
Protech 540012 10
Protech 540018 13