Replacement air filter
12x20x2 MERV 11
National Filter Sales 12x20x2 MERV 11 replacement air filter — what it is and where to buy
- Type
- Furnace air
- Brand
- National Filter Sales
Buy genuine 12x20x2 MERV 11Original equipment manufacturer partSee 12x20x2 MERV 11 replacementsCompatible aftermarket options, often cheaper
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The 12x20x2 MERV 11 is a furnace air filter made by National Filter Sales. Below are compatible replacement filters, the equivalent part numbers it's also sold under. Use the buttons above to compare current prices on Amazon.
Compatible replacement filters
Equivalent & related part numbers
12x20x2 MERV 11 — frequently asked
- What does the 12x20x2 MERV 11 air filter do?
- The 12x20x2 MERV 11 is a furnace/HVAC air filter that captures dust and airborne particles to protect your system and improve indoor air quality. Most pleated filters are replaced every 1–3 months.
- What can I use to replace the 12x20x2 MERV 11?
- You can use the genuine 12x20x2 MERV 11 or a compatible aftermarket filter. We list 1 compatible option above, and the Amazon buttons show current pricing for both the original and replacements.
- Who makes the 12x20x2 MERV 11?
- The 12x20x2 MERV 11 is an OEM part associated with National Filter Sales. Compatible aftermarket versions are made by several third-party brands and are often less expensive.