# Filterbuy 16×20×1 MERV 11 Air Filter, 4-Pack

Pack: Filterbuy 16×20×1 MERV 11 Air Filter is a four-filter replacement set for compatible HVAC equipment. Its listed actual dimensions are 19.5 inches long by 15.5 inches wide by 0.75 inch thick, so verify your existing filter size before ordering.

- [Original product page](https://best-deals.pro/product/filterbuy-16x20x1-merv-11-air-filter-4-pack)
- [View offer](https://best-deals.pro/visit/filterbuy-16x20x1-merv-11-air-filter-4-pack)
- Market: US
- Language: en-US
- Currency: USD
- Brand: Filterbuy
- Model: AFB16x20x1M11pk4
- Category: Home & Kitchen > Appliance Parts & Accessories > Air & HVAC Filters
- Price: 35.96 USD
- Previous price: 39.96 USD
- Discount: 10%
- Price checked: 2026-11-12T11:48:21.821Z
- Rating: 4.6 / 5
- Reviews: 24128

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- MERV 11 pleated replacement filter marketed for pet and allergy-related particle capture.
- The listing describes electrostatically charged media and recommends replacement every 90 days, with timing subject to household conditions.
- Four filters are listed in the pack, for repeat replacements without buying each filter separately.

## Pros

- Four-filter pack supports stocking replacements for future changes.
- Pleated, electrostatically charged media is described for particle filtration, including dust and pet-related concerns.
- The listing names furnaces, air conditioners, heat pumps, HVAC systems, and air cleaners as compatible device types.

## Specifications

### Identity
- Brand: Filterbuy
- Model: AFB16x20x1M11pk4
### Dimensions and installation
- Dimensions listed: 19.5"L x 15.5"W x 0.75"Th
- Weight listed: 0.27 g
- Mounting type: Slide In
- Shape: Rectangular
- Airflow direction: Variable
### Materials and protection
- Material listed: Aluminum, Plastic, Polypropylene
- MERV rating: 11
- Construction: Pleated
- Maximum temperature: 200 °F
- Maximum velocity: 615 cfm
### Compatibility and quantity
- Compatible devices: Air Cleaner, Air Conditioner, Furnace, HVAC System, Heat Pump
- Compatible HVAC systems: Commercial, Industrial, Residential

## Before you buy

- The listed dimensions are 19.5"L x 15.5"W x 0.75"Th. The title's 16x20x1 is the nominal size, not the exact listed dimensions. Match the actual size to your filter slot and confirm your system's permitted filter rating before buying.
- The listing recommends replacement every 90 days but says timing can vary. Customer feedback reports experiences ranging from about three weeks to three months, along with mixed reports about fit and airflow. Check the filter during use and follow your equipment guidance.

## In the box

- Air filters \(4\) (Included)

## A good fit for

- People replacing a nominal 16×20×1 filter who have confirmed the listed actual dimensions fit their slot.
- Households seeking a MERV 11 pleated filter marketed for dust, pets, and allergy-related particle capture.

## Less suited to

- Buyers whose equipment requires a different actual filter size or does not allow a MERV 11 filter.

## Customer feedback

Customer feedback describes easy installation, dust and pet-hair reduction, and good perceived value, but reports are mixed on how long filters last, whether the size fits as expected, and airflow. Those fit and airflow differences matter for a replacement filter: compare the listed actual dimensions carefully and monitor your system after installation. The feedback is customer-reported and does not establish performance for every setup.
- Positive themes: Customers report easy installation and dust and pet-hair reduction.
- Negative themes: Some customers report that the filter seems smaller than expected and needs replacing sooner than three months.
- Mixed feedback: Customer experiences differ on airflow, with reports ranging from no noticeable restriction to severe restriction.
- Mixed feedback: Reported service life varies from about three weeks to up to three months.

## Frequently asked questions

### What size is this filter?
The nominal size is 16×20×1. The listing gives actual dimensions of 19.5"L x 15.5"W x 0.75"Th, so compare those measurements with your current filter.
### How many filters are included?
The listing specifies a four-count pack of air filters.
### How often should I replace it?
The listing recommends replacement every 90 days for optimal performance, while noting that household factors can change the interval.
### Which equipment is it listed for?
The listing names air cleaners, air conditioners, furnaces, HVAC systems, and heat pumps. Confirm the exact size and permitted filter rating for your equipment.

## Alternative options

- [Filterbuy 16x20x1 Air Filter MERV 13 Smoke & Allergy Defense \(2-Pack\) \| Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA \(Actual Size: 15.50 x 19.50 x 0.75\)](https://best-deals.pro/visit/filterbuy-16x20x1-merv-11-air-filter-4-pack)
- [Simply 20x24x1 Air Filter, Merv 8, 6 Pack, For Home AC Furnace & HVAC \(Actual Size: 19.75"x23.75"x0.75"\) DUST, Pet, & Allergy Control](https://best-deals.pro/visit/filterbuy-16x20x1-merv-11-air-filter-4-pack)
- [Simply 12x20x1 Air Filter, Merv 8, MPR 600, 4 Pack, Furnace Air Filter for HVAC \(Actual Size: 11.75"x19.75"x0.75"\) DUST, Pet, & Allergy Control](https://best-deals.pro/visit/filterbuy-16x20x1-merv-11-air-filter-4-pack)
- [Simply 16x25x1 Air Filter, Merv 8, MPR 600, 12 Pack, Furnace Air Filter for HVAC \(Actual Size: 15.75"x24.75"x0.75"\) DUST, Pet, & Allergy Control](https://best-deals.pro/visit/filterbuy-16x20x1-merv-11-air-filter-4-pack)
- [18x18x1 Air Filter, Washable & Reusable Aluminum AC/HVAC Furnace Electrostatic Filt...](https://best-deals.pro/visit/filterbuy-16x20x1-merv-11-air-filter-4-pack)
- [Simply 12x20x1 Air Filter, Merv 11, 6 Pack, For Home AC Furnace & HVAC \(Actual Size: 11.75"x19.75"x0.75"\) DUST, Pet, & Allergy Control](https://best-deals.pro/visit/filterbuy-16x20x1-merv-11-air-filter-4-pack)
- [Simply 16x24x1 Air Filter, Merv 13, 6 Pack, For Home AC Furnace & HVAC \(Actual Size: 15.75"x23.75"x0.75"\) DUST, Pet, & Allergy Control](https://best-deals.pro/visit/filterbuy-16x20x1-merv-11-air-filter-4-pack)
- [Filtrete 16x20x1 Air Filter, MERV 8, MPR 700, 4 HVAC Filters \| Dust, Pollen, & Pet Dander, 3-Month AC/Furnace Filters, Cleaner Air, Reliable Airflow, \(Act. Size 15.68x19.68x0.78 in\)](https://best-deals.pro/visit/filterbuy-16x20x1-merv-11-air-filter-4-pack)
- [Filtrete 16x20x1 Air Filter, MERV 11, MPR 1000, 6 HVAC Filters \| Allergens & Pet Dander, 3-Month AC/Furnace Filters, Cleaner Air, Reliable Airflow, \(Act. Size 15.68x19.68x0.81 in\)](https://best-deals.pro/visit/filterbuy-16x20x1-merv-11-air-filter-4-pack)
- [Filterbuy 16x20x1 Air Filter MERV 11 Pet & Allergy Defense \(2-Pack\) \| Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA \(Actual Size: 15.50 x 19.50 x 0.75\)](https://best-deals.pro/visit/filterbuy-16x20x1-merv-11-air-filter-4-pack)
- [Simply 16x20x1 Air Filter, MERV 8, 6 Pack, For Home AC Furnace & HVAC \(Actual Size: 15.75"x19.75"x0.75"\) DUST, Pet, & Allergy Control](https://best-deals.pro/visit/filterbuy-16x20x1-merv-11-air-filter-4-pack)
- [Filterbuy 16x20x1 Air Filter MERV 11 Pet & Allergy Defense \(6-Pack\) \| Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA \(Actual Size: 15.50 x 19.50 x 0.75\)](https://best-deals.pro/visit/filterbuy-16x20x1-merv-11-air-filter-4-pack)

## Add-ons

- [Filterbuy 16x20x1 Air Filter MERV 8 Dust & Allergy Defense \(4-Pack\) \| Electrostatic Pleated HVAC AC Furnace Filters Replaceme](https://best-deals.pro/visit/filterbuy-16x20x1-merv-11-air-filter-4-pack)
- [Filterbuy 16x20x1 Air Filter MERV 8 Dust & Allergy Defense \(6-Pack\) \| Electrostatic Pleated HVAC AC Furnace Filters Replaceme](https://best-deals.pro/visit/filterbuy-16x20x1-merv-11-air-filter-4-pack)

## Images

![Filterbuy 16×20×1 MERV 11 Air Filter, 4-Pack — 1](https://best-deals.pro/i/nx9b-C9Tf4vBOoKHzQtM3GXnSMYjNzSBrmVCKwD-trGo7aCyayKDB1daUYYALNf32dyC3pLKrxfjw3bbNpPwTHeelwAYixIVarL0S-ZotYtafXaSLScSwteo.jpg)

![Filterbuy 16×20×1 MERV 11 Air Filter, 4-Pack — 2](https://best-deals.pro/i/8rr6w7h_6NmyZTIsBaYgn_UMIIz4rcVqeId-R4G5xcluJzGJvNLTmqCJxT1sdi_uI6brmV1PEnvbMD8CSPnVHlwOaYySmY68dXy9QMh0xuBMvxLKBpct2N6R.jpg)

![Filterbuy 16×20×1 MERV 11 Air Filter, 4-Pack — 3](https://best-deals.pro/i/Y1S5Ni2VhdnaE1Jzgq6I0eDdXajSbPDkQf-WZZXBV7v54ef34zTU7FMZbQ8vtmrBZRo903NCQjiGJ0pCTbUp_nFqnz7SxCOpJgH4RfBcq6B_jgcFtnhXjoqT.jpg)

![Filterbuy 16×20×1 MERV 11 Air Filter, 4-Pack — 4](https://best-deals.pro/i/8nNFsIZft8RPAN2HtnPdAmvqE9TN8jUa5VOSfgZqAmCOUZL9ca0nX_Mqnm_R5tRcxMyhfqFHZ5RognGM_xIXA9zW6-wDcBJg4AypKTbsPHsLkyL3nDOQBGBt.jpg)

![Filterbuy 16×20×1 MERV 11 Air Filter, 4-Pack — 5](https://best-deals.pro/i/MvQabrZ1WGTiU5BWKzd6s_9tAQ45T2WrcJgC_jhqZ69Dxr0d5oFM7eptT3ab1upsWF_1y6r9AiaafV1zX1YOKRIelL4pL4IbXbFtDlX-dd99FA3CBs524xp9.jpg)

![Filterbuy 16×20×1 MERV 11 Air Filter, 4-Pack — 6](https://best-deals.pro/i/nxWhAnrxOOeHRXwpTn6tnT-YCZc5pIX9XoCmxASWyeIFOrWJw8-o9zIY1Bs25msuWoye-Dh53g5dpnKACghq1OIF1meb4bUJhKOSPAi_LSwjGr5OdQY170Y-.jpg)

![Filterbuy 16×20×1 MERV 11 Air Filter, 4-Pack — 7](https://best-deals.pro/i/ZXYZ5JK_wCuMD68jUkUVevz7MnjX9Vbr6wBqKVmUNGr7mMszqnZFkilUO2_5nFD83eQAxbt4OAhFzYeAqLqTOkUXbqKSKqwZ_QVht44Wc8srfItd3X6eHz02.jpg)