Furnace & AC Filters

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Tonies Lady and the Tramp audio figurine shown from the front.
Tonies

Tonies Lady and the Tramp Disney Audio Toy Figurine with 5 Songs and 1 Story

Tonies Lady and the Tramp is a Disney audio toy figurine for children, bringing one story and five songs with approximately 37 minutes of English-language audio to a Toniebox. Lady and the Tramp character figurine with 5 songs and 1 story — a ready-to-play...
$18.06
$18.06
COO&KOO charm bracelet making kit shown from the front.
COO&KOO

COO&KOO Charm Bracelet Making Kit, Mermaid-Themed DIY Jewelry Craft for Kids Ages 6–12

COO&KOO Charm Bracelet Making Kit is a children’s DIY jewelry craft for creating personalized charm bracelets, presented in a mermaid-themed box and made for ages 6–12. Designed for personalized charm bracelets — children can create jewelry with their own chosen designs. Alloy materials —...
$21.50
$21.50
Community Coffee Dark & Bold Espresso Roast coffee pods shown with the product packaging from the front.
Community Coffee

Community Coffee Dark & Bold Espresso Roast Coffee Pods, 24 Count, Extra-Dark Full-Bodied

Community Coffee Dark & Bold Espresso Roast is an extra-dark, full-bodied single-serve coffee for bold cups, packed in 24 pods compatible with Keurig 2.0 K-Cup brewers. Coffees from Central and South America — bring together flavors shaped by tropical climates and high elevations. An...
$21.76
$21.76

Pleated HVAC filters in standard sizes and MERV ratings, sold in multi-packs. Filtrete, Simply, and Aerostar account for the most listings here, out of 10 brands. Other makers in the mix include Aprilaire, BNX, and TRIGHTFILTERS. Details that come up again and again: pet dander and pleated HVAC.

Across the range you will find pack sizes from 2 to 6; typical prices run from $40 to $82. Measure the opening, fixture or filter slot first, then compare it with the dimensions listed by the maker.

One of the categories in HVAC Filters & Building Supplies; neighbors include Garage Door Openers & Parts, Thermostats, Ladders & Step Stools, and Weatherstripping & Draft Stoppers. Or browse all of Tools & Home Improvement. Standard shipping costs nothing on any order to a U.S. address, and unused items qualify for a free return for 30 days after delivery.

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  • Filtrete air filter packaging shown from the front.
    Filtrete

    Filtrete 20x20x4 Air Filter 2-Pack, MERV 11 with MPR 1000 Filtration

    The Filtrete 20x20x4 Air Filter by 3M is a two-filter HVAC set designed to capture household particles, with MPR 1000 and MERV 11 ratings. MPR 1000 and MERV 11 ratings with Filtrete 3-in-1 technology — designed to pull in and trap unwanted particles while...
    $67.37
    $67.37
  • CoreCarbon cut-to-fit air filter media shown as a full polyester fiber pad.
    CoreCarbon

    CoreCarbon Cut-to-Fit Air Filter Media, 20 x 30 x 1 in Washable Polyester Pad

    CoreCarbon cut-to-fit air filter media is a washable polyester replacement for furnace and air conditioner filters, supplied as a 20 x 30 x 1 in pad (50.8 x 76.2 x 2.54 cm) made with UL 900 Classified material. Made in the USA — gives...
    $33.76
    $33.76
  • Honeywell Home FC100A1011 furnace filter shown from the front.
    Honeywell Home

    Honeywell Home 20 x 20 x 4 Media Air Furnace Filter, FC100A1011, 6–12 Month Life

    Honeywell Home FC100A1011 is a 20 x 20 x 4 replacement media air furnace filter designed to capture airborne particles, with performance claims compared with a standard one-inch filter. Up to 85% more efficient at capturing airborne particles than a standard one-inch filter —...
    $55.70
    $55.70
  • TRIGHTFILTERS air filter shown from the front with its pleated filter face visible.
    TRIGHTFILTERS

    TRIGHTFILTERS 12 x 12 x 1 Air Filters, 6-Pack MERV 8 Pleated HVAC Filters

    TRIGHTFILTERS 12 x 12 x 1 in (30.48 x 30.48 x 2.54 cm) MERV 8 pleated air filters come in a six-pack to capture household particles in compatible home HVAC, furnace, and air-conditioning systems. Six filters with MERV 8 filtration — stock replacements for...
    $34.91
    $34.91
  • Aerostar air filter shown from the front with its product packaging.
    Aerostar

    Aerostar MERV 13 Pleated Air Filter, 16 x 20 x 1 in, 6-Pack

    Aerostar MERV 13 pleated air filters capture airborne particles in compatible furnaces and AC units, with a nominal 16 x 20 x 1 in (40.64 x 50.8 x 2.54 cm) size and six filters per pack. MERV 13, comparable to MPR 1500–1900 and FPR...
    $70.63
    $70.63
  • Aerostar air filter shown from the front with its pleated filter surface visible.
    Aerostar

    Aerostar 20x25x1 MERV 13 Air Filter, 6-Pack for HVAC and Furnace Filtration

    Aerostar 20x25x1 MERV 13 pleated air filters are made for compatible furnaces and AC units, with six filters in each pack for ongoing indoor-air filtration. Electrostatically charged synthetic media — attracts and captures airborne particles, including allergens. MERV 13 filtration — comparable to MPR...
    $72.85
    $72.85
  • TRIGHTFILTERS air filter shown from the front.
    TRIGHTFILTERS

    TRIGHTFILTERS 14x25x1 Air Filters, 4-Pack MERV 8 Pleated HVAC Replacements

    TRIGHTFILTERS 14x25x1 MERV 8 air filters are made for home furnaces, air conditioners, HVAC systems, and house vents, capturing airborne particles in a four-filter pack. MERV 8 filtration, comparable to MPR 600 and FPR 5 — a clear rating for choosing a replacement filter....
    $46.83
    $46.83
  • Aerostar MERV 8 air filter shown from the front.
    Aerostar

    Aerostar 16x20x1 MERV 8 Pleated Air Filter, 6 Pack for HVAC

    Aerostar 16x20x1 MERV 8 pleated air filters are a six-filter pack for furnaces and AC units, designed to capture airborne particles with electrostatically charged synthetic media. MERV 8 filtration captures up to 90% of airborne particles — helps reduce dust and other particles circulating...
    $50.70
    $50.70
  • TRIGHTFILTERS 16x20x1 air filter shown from the front.
    TRIGHTFILTERS

    TRIGHTFILTERS 16x20x1 Air Filters, 4-Pack MERV 8 Pleated HVAC Replacement

    TRIGHTFILTERS 16x20x1 MERV 8 air filters are a four-pack of furnace, air conditioner, HVAC, and house-vent replacements that capture 92% of particles as small as 0.5 microns. Four replacement filters — keep spares ready for scheduled changes. MERV 8 filtration, comparable to MPR 600...
    $42.72
    $42.72
  • Aerostar MERV 8 air filter shown from the front with its pleated filter surface visible.
    Aerostar

    Aerostar 12x12x1 MERV 8 Pleated Air Filters, 4 Pack for HVAC and Furnaces

    Aerostar 12x12x1 MERV 8 pleated air filters capture common airborne particles in compatible furnace and AC systems, with electrostatically charged synthetic media and a four-filter pack. MERV 8 filtration, comparable to MPR 600 and FPR 5 — captures up to 90% of airborne particles....
    $32.46
    $32.46
  • Nordic Pure air filter shown from the front with its pleated filter face visible.
    Nordic Pure

    Nordic Pure 20x25x4 Pleated HVAC Air Filters, 2-Pack, MERV 12 Electrostatic Media

    Nordic Pure 20x25x4 Pleated MERV 12 Air Filters are a two-filter HVAC replacement set made to capture airborne particles, with electrostatically charged synthetic media and a nominal 20 x 25 x 4-inch size. MERV 12 rating, comparable to MPR 1500–1900 — helps capture a...
    $68.74
    $68.74
  • Aerostar Air Filter shown from the front with its pleated filter surface visible.
    Aerostar

    Aerostar 12x12x1 Air Filters, MERV 8, 6-Pack for HVAC Systems

    Aerostar 12x12x1 MERV 8 Air Filters are six pleated HVAC filters designed to capture airborne particles, with electrostatically charged synthetic media and an actual size of 11.75 x 11.75 x 0.75 inches (29.85 x 29.85 x 1.91 cm). Six filters per pack — keep...
    $45.46
    $45.46
  • Filtrete air filter package shown from the front with the product name and filter details.
    Filtrete

    Filtrete 16x25x5 HVAC Air Filters, 2-Pack, MERV 11, MPR 1000

    Filtrete 16x25x5 Air Filters are a two-pack of 12-month HVAC filters designed to capture household particles, with MPR 1000, MERV 11 ratings and Filtrete 3-in-1 technology. Two filters, each designed for up to 12 months of use — stock your heating or cooling system...
    $70.11
    $70.11
  • Aerostar air filter pack shown from the front.
    Aerostar

    Aerostar 18x20x1 MERV 8 Pleated Air Filter, 6-Pack for HVAC

    Aerostar 18x20x1 MERV 8 pleated air filters help capture airborne particles in furnaces and AC units, with electrostatically charged synthetic media and six filters per pack. MERV 8 filtration, comparable to MPR 600 and FPR 5 — provides a familiar rating reference when choosing...
    $48.15
    $48.15
  • Aerostar MERV 11 air filter shown from the front.
    Aerostar

    Aerostar MERV 11 HVAC Air Filter, 4-Pack, 16.50 x 21.50 x 0.75 in, Captures Dust & Pet Dander

    Aerostar MERV 11 pleated air filters help capture airborne particles in compatible furnaces and air conditioners; this four-pack has an actual size of 16.50 x 21.50 x 0.75 in (41.91 x 54.61 x 1.91 cm). Electrostatically charged synthetic media — captures particles between 0.3...
    $53.72
    $53.72
  • UNIREACH 210 replacement air filter shown from the front.
    UNIREACH

    UNIREACH 210 HVAC Furnace Filters, 2-Pack, MERV 11 for Select AprilAire Models

    UNIREACH 210 replacement HVAC furnace filters are a two-pack of MERV 11 filters designed to capture airborne particles in compatible AprilAire whole-house air purifiers. Two replacement filters per pack — keep a spare ready for your next filter change. MERV 11, multi-layer pleated media...
    $111.21
    $111.21
  • UNIREACH 213 replacement filter two-pack shown from the front.
    UNIREACH

    UNIREACH 213 HVAC Furnace Air Filter, 2-Pack, MERV 13, 20 x 25 x 4 in

    UNIREACH 213 is a two-pack of MERV 13 replacement HVAC furnace filters designed to capture airborne particles in compatible AprilAire whole-house air purifiers. MERV 13 filtration — captures airborne particles with multi-layer pleated media. Two filters per pack — keeps a replacement filter on...
    $111.21
    $111.21
  • Nordic Pure MERV 12 air filter shown from the front.
    Nordic Pure

    Nordic Pure MERV 12 HVAC Air Filters, 20x25x5, 2 Pack, Honeywell/Lennox Compatible

    Nordic Pure MERV 12 pleated air filters are a two-pack of Honeywell/Lennox replacement filters for heating and air-conditioning systems, with a nominal size of 20 x 25 x 5 inches and an actual depth of 4 3/8 inches. Two MERV 12 filters, equivalent to...
    $83.81
    $83.81
  • AprilAire 216 replacement filter shown from the front with its packaging.
    Aprilaire

    Aprilaire 216 Whole House Air Filter, 20x25x4, MERV 16 Allergy Filtration

    AprilAire 216 is a MERV 16 replacement filter for compatible AprilAire whole-house air cleaners, designed to capture airborne particles with a nominal size of 20 x 25 x 4 inches (51 x 64 x 10 cm). MERV 16 filtration, performance tested to ASHRAE 52.2...
    $140.95
    $140.95
  • Nordic Pure MERV 12 air filter shown from the front.
    Nordic Pure

    Nordic Pure 16x25x4 Pleated HVAC Air Filters, MERV 12, 2-Pack

    Nordic Pure 16x25x4 Pleated MERV 12 Air Filters are a two-filter HVAC replacement set designed to capture airborne particles, with an actual size of 15.5 x 24.5 x 3.63 in (39.37 x 62.23 x 9.22 cm). MERV 12, comparable to MPR 1500–1900 — helps...
    $66.69
    $66.69
  • AprilAire 310 replacement filter shown from the front.
    Aprilaire

    Aprilaire 310 Whole House Air Filter, 20x20x4, MERV 11 Filtration, Pack of 1

    The AprilAire 310 is a replacement whole-home air filter designed to capture airborne particles in compatible AprilAire air cleaners, with MERV 11 filtration and a nominal size of 20 x 20 x 4 inches (50.8 x 50.8 x 10.16 cm). MERV 11 filtration captures...
    $75.59
    $75.59
  • Nordic Pure MERV 12 air filter shown from the front.
    Nordic Pure

    Nordic Pure 16x25x5 MERV 12 HVAC Air Filters, 2-Pack for Honeywell/Lennox

    Nordic Pure 16x25x5 MERV 12 pleated HVAC air filters are a two-pack of Honeywell/Lennox replacement filters designed to help reduce airborne particles, with an actual size of 15-3/4 x 24-3/4 x 4-3/8 inches (40 x 62.9 x 11.1 cm). MERV 12 filter media —...
    $83.81
    $83.81
  • Honeywell Home media air filter shown from the front.
    Honeywell Home

    Honeywell Home 16 x 25 x 4 Media Air Filter, MERV 11, FC100A1029

    The Honeywell Home FC100A1029 is a replacement media air filter with a MERV 11 rating and 16 x 25 x 4 in (40.64 x 63.5 x 10.16 cm) dimensions. MERV 11 rating — gives you a specific rating to compare with your current filter...
    $55.83
    $55.83
  • Filtrete air filter shown from the front with its product packaging.
    Filtrete

    Filtrete 20x25x5 HVAC Air Filters, 2-Pack, MERV 8, MPR 700

    Filtrete 20x25x5 pleated HVAC air filters are made to capture household airborne particles, with MERV 8 and MPR 700 filtration ratings. MPR 700 and MERV 8 — helps capture up to 70% of large particles passing through the filter. Actual size: 19.56 x 24.13...
    $70.17
    $70.17

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Questions about Furnace & AC Filters

Which brands can I shop in Furnace & AC Filters?

Filtrete, Simply, and Aerostar have the most listings here, out of 10 brands in total.

What should I check before buying furnace & AC filters?

Measure the opening, fixture or filter slot first, then compare it with the dimensions listed by the maker. In this collection you will see pack sizes from 2 to 6 and prices mostly between $40 and $82.

Does Furnace & AC Filters ship free?

Yes. Shipping is on us for every order delivered within the U.S., with no minimum spend. We get orders ready in 1–3 business days; once shipped, most arrive within 3–7 business days, while Alaska, Hawaii, Puerto Rico and remote addresses may need a little longer.

What is the return policy for Furnace & AC Filters?

Yes. If an item is unused and still in its original packaging, you can send it back free within 30 days of delivery: we email a prepaid return label and no reason is needed. The refund goes to the payment method you used, within 10 business days after the return reaches us.

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