AprilAire 313 MERV 13 Replacement Filter, 2-Pack

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Product guide

AprilAire 313 MERV 13 Replacement Filter, 2-Pack

The AprilAire 313 replacement filter is a MERV 13 whole-house air purifier filter sold as a two-pack. It is listed for AprilAire models 1310, 2310, 3310 and 4300, with nominal sizing of 20 x 20 x 4 inches. Confirm your purifier model and the actual listed dimensions before ordering.

At a glance

The listing describes MERV 13 filtration for common airborne particles including dust, pollen, mold spores, bacteria, pet dander and dust mites.
Designed for the AprilAire Interlock Rail System, with slide-in installation and no assembly claimed.
Self-Seal Technology is claimed to reduce air bypass around the filter.
Nominal filter size is 20 x 20 x 4 inches. The listing says nominal size is not the actual size.

Price

$112.99Save 10%

Reference price: ~~$125.99~~

Price checked: Nov 12, 2026

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Often bought together

AprilAire 213 Replacement Filter, MERV 13, 20x25x4 Whole-House Air Filter | AC & HVAC System Media, Self-Seal Technology, Allergen Reduction, 12-Month Life, Made in USA

$125.98

AprilAire 413 Replacement Filter for AprilAire Whole House Air Purifiers - MERV 13, Healthy Home Allergy, 16x25x4 Air Filter (Pack of 2)

$125.98

Pros and cons

Pros

Two filter media are listed in the package, providing a replacement on hand after the first filter is used.
The listed model compatibility and slide-in fit can make replacement straightforward for owners of supported purifiers.
MERV 13 rating and the stated allergen-targeting use suit buyers seeking higher-rated whole-home filtration.

Technical specifications

11 specifications

Identity
Brand	Aprilaire
Model	313

Filtration and materials
MERV rating	13
Filter material	Synthetic Fiber
Construction	Pleated
Shape	Rectangular

Compatibility and installation
Compatible devices	AprilAire Models: 1310, 2310, 3310, 4300, Competitive Models using 4898 Upgrade Kit
Mounting type	Slide In

Dimensions and installation
Dimensions listed	4.05"L x 21.38"W x 18.87"Th
Weight listed	2.4 pounds

Pack
Included components	(2) 313 Filter Media

What to know before buying

Listing details to confirm

The listing gives a nominal size of 20 x 20 x 4 inches but lists dimensions of 4.05"L x 21.38"W x 18.87"Th. These measurements are not identical, so confirm the size and fit against your purifier before purchase. The compatible-device field also mentions competitive models using a 4898 Upgrade Kit, while the feature copy names only AprilAire models 1310, 2310, 3310 and 4300. The listing claims filter life up to 12 months, while customer feedback mentions replacement every 6 months, so replacement timing is not consistent.

What’s in the box

Included

2 × 313 filter media

Who is it for?

A good fit for

Owners of AprilAire 1310, 2310, 3310 or 4300 air purifiers who have confirmed the filter fit.
Households seeking a MERV 13 replacement filter for stated common airborne allergens.

Less suited to

Buyers who need a standalone room air purifier rather than replacement media for a compatible whole-house unit.
Owners of other purifier models who have not confirmed compatibility and fit.

AprilAire 313 MERV 13 Replacement Filter, 2-Pack · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.8 / 5 · 2,662 ratings

5 stars88%88%
4 stars9%9%
3 stars2%2%
2 stars0%0%
1 star1%1%

Customer feedback reports good quality, easy installation, a fit customers describe as accurate, and dust filtration. Some feedback also describes the filter as lasting many months, though the stated replacement interval differs from the listing's up-to-12-month claim. These experiences are relevant to the listed slide-in design and MERV 13 filtration, but they do not establish performance in every compatible system.

Positive themes

Customers describe the filter as easy to install and a good fit.
Feedback reports dust filtration and good product quality.

Frequently asked questions

Which purifiers is the AprilAire 313 listed for?

The compatibility listing names AprilAire models 1310, 2310, 3310 and 4300. It also mentions competitive models using a 4898 Upgrade Kit, so confirm compatibility for any non-AprilAire unit.

Is 20 x 20 x 4 inches the filter's actual size?

No. The listing calls that the nominal size and separately gives dimensions of 4.05"L x 21.38"W x 18.87"Th. Check the required fit for your purifier.

How many filters are included?

The explicit included-components listing specifies two 313 filter media.

How often should the filter be replaced?

The listing claims up to 12 months of filter life, while customer feedback mentions changing it every 6 months. Actual timing is not settled by these statements and may depend on use.