16x20x1 MERV 13 Air Filter — 12-Pack

The 16x20x1 MERV 13 air filter 12-pack ships free from Cedars HVAC, is made in the USA, and gives you a full year of monthly replacements at a lower per-filter cost than any big-box store.

Our 16x20x1 MERV 13 air filter ships free from four US warehouses. Every 16x20x1 MERV 13 air filter in this 12-pack is pleated USA-made media, individually wrapped, and same-day dispatched. Reorder your 16x20x1 MERV 13 air filter on any 30/60/90-day cycle to lock in year-round supply.

What’s In Your 16x20x1 MERV 13 12-Pack

This case contains 12 individual 16x20x1 pleated air filters, MERV 13, ready to install as-is with no cutting or trimming required. 16x20x1 is one of the most common apartment and condo sizes in Miami-Dade — you’ll see it in Brickell condos built between 1985 and 2005, and in many mid-rise buildings citywide. Property managers with a 20-unit building often burn through cases of these. Homeowners, landlords, and property managers especially appreciate having a full year’s supply on the shelf — no more emergency runs to the hardware store, no more running the wrong-size filter just because it’s what was left on the shelf.

Some homeowners call it a furnace filter, others call it an air filter, an AC filter, or an HVAC filter. Either way, this 16x20x1 pleated case of 12 is sized to match your existing return grille or filter rack.

What Does MERV 13 Filtration Actually Do?

MERV stands for Minimum Efficiency Reporting Value — an ASHRAE-standardized rating that describes how well a filter captures airborne particles by size. MERV 13 captures everything MERV 8 and MERV 11 capture, plus smoke, smog, fine bacteria carriers, viruses attached to droplet nuclei, and PM 2.5 wildfire smoke particulates.

Particulate range captured: 0.3 to 1.0 microns (smoke, virus carriers, PM 2.5, fine bacteria). Airflow: reduced airflow — MERV 13 is the highest rating we sell for standard residential systems, and it does restrict airflow more than MERV 8 or 11. Confirm your system’s static-pressure tolerance before switching to a 1-inch MERV 13. This rating is a strong match for households with severe allergies, asthma, or respiratory sensitivity; homes in wildfire-prone regions; homes with newborns, immunocompromised residents, or anyone who wants hospital-grade filtration.

Specifications

• Nominal Size: 16x20x1 inches
• Actual Size: 15.5 x 19.5 x .75 inches
• MERV Rating: 13
• Thickness: 1-inch
• Filter Media: Electrostatic pleated synthetic
• Frame: Beverage-board (moisture-resistant paperboard)
• Support: Galvanized steel mesh
• Quantity: 12 filters (one full year of monthly replacements)
• Made In: USA
• Sold By: Cedars HVAC (Miami, FL)

How Often Should You Replace a 16x20x1 MERV 13 Filter?

For a 1-inch MERV 13 filter like this one, plan on replacing every 60 to 90 days (monitor for airflow reduction if system is undersized). MERV 13 media is the densest we sell for residential systems. It can trap more per square inch, but a clogged MERV 13 will restrict airflow noticeably. If you notice weaker airflow from vents, it is time to swap. With 12 filters in the case, you are set up to swap on a 60-to-90-day schedule for a 12-to-18-month cycle without running short.

Why South Florida Homes Change Filters Faster

Miami-Dade and Broward homes cycle their HVAC harder than almost anywhere in the country. Between year-round cooling load, elevated indoor humidity, salt air near the coast, seasonal Saharan dust events, and increasingly common wildfire smoke drift from the Everglades, filters here saturate faster than the national average. If you are in South Florida, err on the shorter end of the replacement window — especially if you have pets or run your system continuously in July and August. MERV 13 owners: check airflow monthly during peak cooling months.

Free Shipping, No Minimum, Ships from Miami

No shipping charges. No surprise fees at checkout. No minimum order value. This 16x20x1 case ships free anywhere in the continental United States. These air filters are manufactured in the USA and shipped directly to your door on Cedars HVAC’s behalf. Stock up once, install on schedule, and don’t think about your furnace filter again until next year.

Frequently Asked Questions

How do I know if 16x20x1 is the right size for my system?

Check your existing filter. The size printed on the side or edge — normally a set of three numbers like 16x20x1 — is the nominal size. It should match this listing exactly. If your current filter reads 20x16x1 instead, that is the same size — filter width and height are interchangeable in most return-grille and filter-rack installations. If your existing filter shows an actual dimension (e.g. 15.5 x 19.5 x .75 inches), that is the manufactured cut size and confirms 16x20x1 nominal.

Can I upgrade my system to MERV 13?

Usually, but check first. MERV 13 in a 1-inch format restricts airflow more than MERV 8 or 11. Most modern (post-2010) high-efficiency systems handle it without issue. Older systems, undersized returns, or systems that already run close to their maximum static-pressure limit may struggle. If your HVAC installer ever mentioned “static pressure” during service, verify the number is below 0.8 in. WC total external static before switching from MERV 8 or 11 to MERV 13.

How fast does shipping arrive?

Most orders ship within one business day. Continental US delivery is typically 3 to 5 business days after ship. Cedars HVAC uses tracked, insured shipping on every filter case, and you will receive a tracking number by email as soon as the case leaves the fulfillment warehouse.

Do you offer bulk pricing on multiple 16x20x1 MERV 13 cases?

Yes — property managers, landlords, and multi-family owners can email [email protected] or call (305) 850-6693 for volume pricing on 3 or more cases of the same size. Contractors and multi-family accounts can also apply for a wholesale account for standing discounts.

Learn more: EPA MERV rating overview.