HomeHVAC Air Filters — MERV 8, 11 & 13

HVAC Air Filters — MERV 8, 11 & 13

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HVAC Air Filters — MERV 8, 11 & 13

The right air filter comes down to two numbers: the size that fits your return or air handler, and the MERV rating that matches how much you want to capture. AirGrilles stocks pleated filters in MERV 8, 11, and 13 across every standard size, in multi-packs sized for a year of changes.

MERV 8 handles everyday dust, lint, and pollen. MERV 11 adds finer dust, pet dander, and smoke particles. MERV 13 captures the smallest common particles for households that want the most filtration their system supports. Filters are sized by nominal dimensions (the number printed on your old filter), so reordering is a one-glance job.

Buy by the pack, restock for every unit, and let bulk pricing bring the per-filter cost down — all shipping from US stock same day on orders by 11AM ET. Property managers standardizing across a portfolio can keep the same SKUs on hand for every turnover.

Item No:Size
(Duct Opening)		Neck
Size		MaterialOuter
Dimensions		ColorAirflow
Direction		Bulk PricingOrder
12-1011-2021-4950+100+
MERV8-20x20 20x20x1$42.20$35.87$33.76$31.65$29.54
MERV8-20x25 20x25x1$45.22$38.44$36.18$33.92$31.66
MERV11-14x24 14x24x1$40.67$34.57$32.54$30.51$28.47
MERV11-20x30 20x30x1$46.70$39.70$37.36$35.03$32.69
MERV13-14x24 14x24x1$44.05$37.45$35.24$33.04$30.84
MERV13-20x25 20x25x1$54.04$45.94$43.24$40.53$37.83
MERV13-24x24 24x24x1$59.11$50.25$47.29$44.34$41.38
MERV11-18x24 18x24x1$49.41$42.00$39.53$37.06$34.59
MERV13-12x20 12x20x1$38.54$32.76$30.84$28.91$26.98
MERV13-12x24 12x24x1$42.40$36.04$33.92$31.80$29.68
MERV13-14x20 14x20x1$41.81$35.54$33.45$31.36$29.27
MERV13-14x30 14x30x1$57.53$48.91$46.03$43.15$40.28
MERV13-16x20 16x20x1$43.28$36.79$34.63$32.46$30.30
MERV13-18x18 18x18x1$44.21$37.58$35.37$33.16$30.95
MERV13-18x24 18x24x1$48.50$41.23$38.80$36.38$33.95
MERV8-12x12 12x12x1$25.69$21.84$20.56$19.27$17.99
MERV8-14x14 14x14x1$28.34$24.09$22.68$21.26$19.84
MERV8-20x30 20x30x1$50.72$43.12$40.58$38.04$35.51
MERV8-24x24 24x24x1$49.35$41.95$39.48$37.02$34.55
MERV11-12x12 12x12x1$28.65$24.36$22.92$21.49$20.06
MERV11-12x20 12x20x1$36.70$31.20$29.36$27.53$25.69
MERV11-12x24 12x24x1$39.20$33.32$31.36$29.40$27.44
MERV11-14x30 14x30x1$48.10$40.89$38.48$36.08$33.67
MERV11-16x25 16x25x1$46.64$39.65$37.32$34.98$32.65
MERV13-20x24 20x24x1$55.47$47.15$44.38$41.61$38.83
MERV13-20x30 20x30x1$56.85$48.33$45.48$42.64$39.80
MERV8-18x24 18x24x1$43.38$36.88$34.71$32.54$30.37
MERV11-14x14 14x14x1$31.52$26.80$25.22$23.64$22.07
MERV11-14x20 14x20x1$40.81$34.69$32.65$30.61$28.57
MERV11-16x20 16x20x1$41.70$35.45$33.36$31.28$29.19
MERV11-18x18 18x18x1$41.33$35.14$33.07$31.00$28.94
MERV11-20x20 20x20x1$45.20$38.42$36.16$33.90$31.64
MERV11-20x24 20x24x1$46.40$39.44$37.12$34.80$32.48
MERV11-20x25 20x25x1$51.05$43.40$40.84$38.29$35.74
MERV11-24x24 24x24x1$58.20$49.47$46.56$43.65$40.74
MERV13-12x12 12x12x1$32.99$28.05$26.40$24.75$23.10
MERV13-14x14 14x14x1$37.75$32.09$30.20$28.32$26.43
MERV13-16x25 16x25x1$47.01$39.96$37.61$35.26$32.91
MERV13-20x20 20x20x1$50.26$42.73$40.21$37.70$35.19
MERV8-12x20 12x20x1$35.56$30.23$28.45$26.67$24.90
MERV8-14x20 14x20x1$36.72$31.22$29.38$27.54$25.71
MERV8-14x24 14x24x1$37.61$31.97$30.09$28.21$26.33
MERV8-14x30 14x30x1$42.49$36.12$34.00$31.87$29.75
MERV8-16x20 16x20x1$37.67$32.02$30.14$28.26$26.37
MERV8-16x25 16x25x1$41.99$35.70$33.60$31.50$29.40
MERV8-18x18 18x18x1$37.72$32.07$30.18$28.29$26.41
MERV8-12x24 12x24x1$37.46$31.85$29.97$28.10$26.23
MERV8-20x24 20x24x1$44.85$38.13$35.88$33.64$31.40

Enhance Indoor Air Quality with Our Premium Return Air Filters

We take great pride in offering premium return air filters on our website, designed to significantly enhance the air quality in your living spaces. Our wide range of air filters, available in various sizes including 20x30, 16x20x1, 14x14x1, 18x24x1, 12x24x1, 12x20x1, 20x24x1, 20x20x1, 18x18x1, 16x25x1, 14x30x1, 12x12x1, and 14x20x1, cater to diverse needs. We also offer customization options with different filter types such as MERV 8, MERV 11, and MERV 13. Discover the significance of return air filters and how they enhance indoor air quality.

The Importance of Clean Indoor Air

The air we breathe indoors directly impacts our health and well-being. Indoor air can be laden with allergens, dust, pet dander, and other pollutants, leading to respiratory problems, allergies, and exacerbating chronic conditions. Return air filters play a crucial role in capturing and retaining these harmful particles before they recirculate, creating a healthier living environment.

What re Return Air Filters?

Return air filters are integral components of heating, ventilation, and air conditioning (HVAC) systems. Their primary function is to filter the air drawn back into the system from inside the building. By removing contaminants and impurities from the air, these filters ensure a continuous supply of clean and fresh air for occupants. This process not only contributes to improved indoor air quality but also enhances the overall efficiency of the HVAC system.

Features of MERV 8, MERV 11 and MERV 13 Filters

Our range of return air filters includes different filter types, each with unique features:

  • MERV 8: Offers effective capture of basic pollutants, providing a solid filter option.
  • MERV 11: Provides enhanced air quality with the ability to capture medium-level pollutants.
  • MERV 13: Delivers superior performance by capturing the highest level of pollutants, including fine particles.

What Are the Benefits of Our Return Air Filters?

Our return air filters stand out for several reasons:

  • High-Performance Filters: Designed to effectively capture airborne particles, such as dust, pollen, mold spores, and more, ensuring only clean air circulates in your home.
  • Durability and Reliability: Crafted from premium materials, our filters are built to last, offering long-term performance without compromising quality.
  • Easy Installation: Featuring user-friendly designs, installing our return air filters is hassle-free, ensuring a seamless process for you.
  • Wide Range of Options: With a variety of sizes to fit different HVAC systems, you can easily find the right filter for your specific needs. Choose from sizes including 20x30x1, 16x20x1, 14x14x1, 18x24x1, 12x24x1, 12x20x1, 20x24x1, 20x20x1, 18x18x1, 16x25x1, 14x30x1, 12x12x1, and 14x20x1, and MERV 8, MERV 11, or MERV 13 filter options. 

Common questions about HVAC air filters

Which MERV rating should I choose?

MERV 8 handles everyday dust, lint, and pollen — the right call for most homes. MERV 11 adds pet dander, finer dust, and smoke particles. MERV 13 captures the smallest common particles for the highest home air quality. Higher isn't always better: very high MERV on an older or low-static system can restrict airflow, so match the rating to your system.

How do I find my filter size?

Read the nominal size printed on the side of your current filter — for example 16×25×1. That's the size to reorder. If the old filter is missing, measure the filter slot and round to the nearest standard size.

How often should I change my filter?

A pleated filter typically lasts 60–90 days, sooner with pets, allergies, or heavy use. Buying a multi-pack keeps a season of changes on the shelf so you never run a clogged filter.

What's the difference between fiberglass and pleated filters?

Pleated filters have far more surface area than flat fiberglass pads, so they capture more and last longer between changes while keeping airflow healthy.

Can I buy filters in bulk for multiple properties?

Yes. Filters sell in multi-packs and bulk pricing lowers the per-filter cost — practical for property managers standardizing one size and rating across every unit. US stock ships same day on orders by 11AM ET.