Filter King 16x20x1 MERV 13 Air Filters, 12-Pack

Filter King FKFD16X20-12 is a 12-pack of nominal 16x20x1 MERV 13 filters listed for air conditioners and furnaces. Its listed dimensions are 20"L x 16"W x 0.75"Th, while the product description gives an actual size of 15.5" x 19.5" x .75". Check your filter slot measurements before ordering.

At a glance

The listing identifies this as a MERV 13 pleated filter and describes it as intended to capture airborne particles.
The manufacturer recommends replacing one-inch filters every 30–90 days and says this filter can last up to 90 days, depending on use.
The listing describes installation as opening the slot, sliding in the filter, and closing it.

Price

$90.96Save 20%

Reference price: ~~$113.28~~

Price checked: Nov 14, 2026

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Often bought together

Filter King 20x20x1 Air Filter MERV 8, AC Furnace Filters (12-Pack) | Dust & Allergy Control (Actual Size: 19.5 x 19.5 x .75)

$69.96

Pros and cons

Pros

A 12-pack provides multiple replacements for continued scheduled filter changes.
Listed compatibility with air conditioners and furnaces makes it relevant to residential systems using this size and rating.

Technical specifications

11 specifications

Identity
Brand	Filter King
Model	FKFD16X20-12
MERV rating	13
Quantity	12

Dimensions and installation
Dimensions listed	20"L x 16"W x 0.75"Th
Actual size stated in product description	15.5" x 19.5" x .75"
Mounting type	Slide In
Shape	Rectangular

Materials and compatibility
Material listed	Polypropylene
Compatible devices	Air Conditioner, Furnace
Compatible HVAC systems	residential

What to know before buying

Listing details to confirm

The size information is inconsistent: the title and listing call it 16x20x1, one details field says 20"L x 16"W x 0.75"Th, and the description says actual size 15.5" x 19.5" x .75". Customer feedback also reports mixed sizing and fit, so compare the actual opening and confirm the selected listing’s dimensions before purchase. The manufacturer’s 30–90 day replacement guidance and up-to-90-day lifespan are claims, not a universal interval.

What’s in the box

Included

Air filter (12)

Who is it for?

A good fit for

Households needing a replacement filter for a compatible residential air conditioner or furnace and preferring a multi-filter pack.
Buyers seeking a listed MERV 13 rating who have confirmed the product’s actual dimensions suit their filter slot.

Less suited to

Buyers whose system requires a different filter size or who cannot confirm fit from the inconsistent listed dimensions.

Filter King 16x20x1 MERV 13 Air Filters, 12-Pack · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 177 ratings

5 stars80%80%
4 stars7%7%
3 stars5%5%
2 stars2%2%
1 star6%6%

Customer feedback reports that the filters work well and offer good value, while size and fit experiences are mixed, including reports of a loose fit. This matters because the listing’s stated actual dimensions are not consistent across its fields, so verify the filter opening rather than relying only on the nominal 16x20x1 label. Aggregate ratings are generally positive but do not establish how well a particular filter will fit a specific system.

Positive themes

Customers report good effectiveness and value.

Negative themes

Some customer feedback reports loose fit.

Mixed feedback

Customers differ on whether the stated size fits as expected.

Frequently asked questions

What is the stated actual size?

The product description states 15.5" x 19.5" x .75". Other listing dimensions differ, so confirm fit against your filter slot before ordering.

How many filters are included?

The product is listed as a 12-pack.

How often does the manufacturer recommend replacement?

The listing recommends changing one-inch filters every 30–90 days and says these filters can last up to 90 days. Actual replacement timing depends on use and conditions.