WILERDA 4188353-A1 HEPA Replacement Filter, 2-Pack

WILERDA 4188353-A1 is a two-pack replacement filter described for select VEWIOR, KOIOS, and AMEIFU air purifiers. Its listed three-stage construction combines a pre-filter, HEPA filter, and activated carbon layer, so confirm your purifier model before ordering.

At a glance

The listing names VEWIOR HQSC-50, HQKJ-80, and A1, KOIOS HQKJ-50, and AMEIFU AP01W as compatible models.
Three listed layers are a pre-filter, HEPA filter, and activated carbon filter.
The listing recommends replacement every 3–6 months depending on air quality and purifier operating time.

Price

$20.99Save 16%

Reference price: ~~$24.98~~

Price checked: Nov 14, 2026

View offer Ahead of Black FridayExplore the selection

Often bought together

A1 Replacement Filter for VEWIOR HQSC-50/HQKJ-80 Air Purifier, 2-Pack | Fits AMEIFU AP01W & KOIOS HQKJ-50, 3-in-1 High-Effici

Pros and cons

Pros

Two filters are listed in the pack, useful for keeping a replacement on hand.
Tool-free, disposable replacement is claimed, avoiding a separate installation tool.

Technical specifications

12 specifications

Identity
Brand	WILERDA
Model	4188353-A1 Filter

Compatibility and use
Compatible purifier models	VEWIOR Air Purifier HQSC-50, HQKJ-80, A1, KOIOS HQKJ-50 and AMEIFU AP01W Air Purifier.
Recommended use	Home
Indoor or outdoor use	Indoor

Filter details
Filter type	HEPA Filter
Filtration stages	Pre-Filter, HEPA Filter, and Activated Carbon Filter
Particle size claim	0.3 microns
Filter dimensions	5.24 inch x 5.24 inch x 4.64 inch
Material claim	FSC-Certified paper

Pack details
Number of items	2
Color	2 Pack-white

What to know before buying

Listing details to confirm

The claimed filtration performance, including capture of particles as small as 0.3 microns and reduction of odors and VOCs, is a manufacturer claim rather than an independently verified result. Replacement timing is presented as a 3–6 month recommendation that depends on air conditions and operating time. Verify your purifier's exact model before purchase.

What’s in the box

Included

2 HEPA replacement filters

Who is it for?

A good fit for

Owners of the listed VEWIOR, KOIOS, or AMEIFU purifier models seeking a replacement filter.
Buyers who prefer to keep a second filter available for a later change.

Less suited to

Owners of purifier models not named in the compatibility list unless they confirm fit separately.
Shoppers seeking a filter with independently verified filtration performance.

WILERDA 4188353-A1 HEPA Replacement Filter, 2-Pack · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.7 / 5 · 1,126 ratings

5 stars83%83%
4 stars10%10%
3 stars5%5%
2 stars1%1%
1 star1%1%

Aggregate ratings are mostly five-star, with smaller shares across the lower star categories. That indicates generally favorable rating scores but does not identify what customers liked or disliked, or establish filter fit or performance for a particular purifier.

Frequently asked questions

Which air purifiers is this filter listed for?

The listing names VEWIOR HQSC-50, HQKJ-80, and A1, KOIOS HQKJ-50, and AMEIFU AP01W. Check the model marking on your purifier before ordering.

What filtration layers are claimed?

The product is described as having a pre-filter, HEPA filter, and activated carbon filter. The claimed particle and odor performance has not been independently established here.

How often should the filter be replaced?

The listing recommends every 3–6 months, with timing depending on air quality and how long the purifier operates.

Does installation require tools?

The listing describes replacement as tool-free and the filter as disposable.