# Filter King FKFB20X20-12 20x20x1 Air Filters, MERV 8, 12-Pack

Keep residential AC and furnace replacements on hand with Filter King MERV 8 air filters, in a 12-pack with a 19.5 x 19.5 x .75-inch actual size.

- [Original product page](https://www.ofertitastop.com/us/product/filter-king-fkfb20x20-12-20x20x1-air)
- [View offer](https://www.ofertitastop.com/us/visit/filter-king-fkfb20x20-12-20x20x1-air)
- Market: US
- Language: en-US
- Currency: USD
- Product updated: 2026-11-06T03:13:03.491Z
- Brand: Filter King
- Model: FKFB20X20-12
- MPN: FKFB20X20-12
- EAN / GTIN: 06910376112938
- SKU: ofertitastop-us-180751
- Category: Hardware > Heating, Ventilation & Air Conditioning
- Source store: amazon US
- Active deal: Yes
- Price: 52.95 USD
- Previous price: 69.96 USD
- Discount: 24%
- Rating: 4.7 / 5
- Reviews: 158

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

## Description

When it’s time to replace a residential air conditioner or furnace filter, the Filter King 20x20x1 MERV 8 pack provides twelve pleated replacements for routine home maintenance. Its nominal size is 20 x 20 x 1 inches, with an actual size of 19.5 x 19.5 x .75 inches.

Want a filter designed to capture airborne particles while fitting a familiar slide-in setup? This model combines a MERV 8 rating with a pleated polypropylene construction for residential HVAC use.

The twelve-filter format keeps replacements together, making it easier to plan ahead instead of shopping for one filter at a time. Customers also describe the filters as effective and note that they perform comparably to name-brand options, those are buyer impressions, not a performance guarantee.

## Tech summary
- Type: Pleated air filter
- MERV rating: 8
- Nominal size: 20 x 20 x 1 inches
- Actual size: 19.5 x 19.5 x .75 inches
- Material: Polypropylene
- Pack size: 12 air filters
- Mounting: Slide-in

## Compatibility & requirements
These filters are intended for residential air conditioners and furnaces. They use a slide-in mounting style, so they work as replacement filters in systems designed for this size and format. The nominal 20 x 20 x 1-inch label helps identify the filter category, the actual dimensions are 19.5 x 19.5 x .75 inches. For installation, open the filter access, slide the replacement into the slot, and close the access panel.

## Getting the most from it
The pleated design is made to capture airborne particles, and the MERV 8 rating identifies the filter’s efficiency category. That makes this pack a practical choice for regular residential filter changes focused on dust and allergy control. It offers a straightforward alternative to buying single replacements as needed: with twelve filters in one pack, you can keep the next change on hand.

For 1-inch filters, the manufacturer recommends replacement every 30 to 90 days and says these filters can last up to 90 days. Following a regular replacement schedule helps maintain the filter routine for an air conditioner or heater. The right timing depends on your household’s maintenance plan, so use the recommended interval as a guide when organizing replacements.

## Final verdict
The Filter King FKFB20X20-12 is a useful fit for households that need a residential 20 x 20-inch nominal replacement for an air conditioner or furnace and want several filters ready for scheduled changes. Its MERV 8 rating, pleated construction, slide-in format, and twelve-count pack make it easy to identify and keep on hand for routine home HVAC maintenance.

## Images

![Filter King FKFB20X20-12 20x20x1 Air Filters, MERV 8, 12-Pack — 1](https://www.ofertitastop.com/i/DateJDb8O75uiOJR35DC5HAAkE4JCIImtomAWO5uokhbS8wHDvBM0sYbvIgYg0JR18PuHLZZNcoX-cExoQAulg0W4R3fxSdo52Le5RqA-O3VTy687M8DIwc9MQ.jpg)

![Filter King FKFB20X20-12 20x20x1 Air Filters, MERV 8, 12-Pack — 2](https://www.ofertitastop.com/i/exhY-K4NZ6ggOpHvcda27aMyWQO-A8hQbdBhct171LDSx3YmJt9nZ7G4kKohGgcHUcKn7OFjnNfoL7nzy_PRve7EFb5Br_ZMr0yaceE2RPCVvftspWBBWE7Cpg.jpg)

![Filter King FKFB20X20-12 20x20x1 Air Filters, MERV 8, 12-Pack — 3](https://www.ofertitastop.com/i/pfbFLwk-JEh-nPSlzE-8Uv1IZzh-mJ5frFHEvnvhw2VyDDMV1YiKWyp_fe_R807YLpLvltqW6F-xGYmbnwFR3_AmDtIcksWTB4zWuSWezXUO_sN0fgdUhPIM2g.jpg)

![Filter King FKFB20X20-12 20x20x1 Air Filters, MERV 8, 12-Pack — 4](https://www.ofertitastop.com/i/WZ2v2KyGdmQ_1jhL-cZcWkG6yTqkv82uezg31Orol5AJB8fyrT6EkqRP-md3Pcb7JrXWo7gCsaq_ffUHQsX5QqfsTtpwXpk7SeA8nNKHKGtNMXsv5EFE4Qgr0g.jpg)

![Filter King FKFB20X20-12 20x20x1 Air Filters, MERV 8, 12-Pack — 5](https://www.ofertitastop.com/i/JyYgTi0gFsdl8QIs7qfTVjoRqzGXBBOw25r933dN6JGX31qZmRdeINNfvIloCW0v7VSW2_0L8RRITD27IFA8YxkAEVZpyZuVUqcW1r4IQoCRQ-wrp8So33H9eQ.jpg)