Filters are unmarked, so what is proper way to position for best airflow?

Each filter comes with a small tag on the top. This tag is meant to be used to pull the filter out. The front side is very obvious.

Is this compatible with the winix air purifier c545?

It's not work for Winix C545, it's work for Winix C535. If you need C545 Hepa filter, please check the asin: B0BFDW8LDJ

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115115 Replacement Filter A Size 21 for Winix Plasmawave C535, 5300-2

Product ID: 448744355

Details

Air Filter Construction
Pleated
Brand
Compatible Devices
5300 5300-2
Filter Mounting Type
Slide In
Filter Shape
Rectangular
Item Weight
1.17 kg

📏Fits multiple Winix models

♻️Eco-friendly activated carbon

🛡️H13 True HEPA filtration

¥989

Duties & taxes included

In stock

Sold byAmazon ChinaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌬️ Breathe Brilliance: Upgrade Your Air, Upgrade Your Life!

HASSLE FREE MAINTENANCE - 3-pack bundle with easy slide-in installation—no tools required—plus 180-day satisfaction guarantee for peace of mind.
ODOR NEUTRALIZING POWER - Activated carbon pre-filter effectively absorbs and chemically decomposes pet, cooking, and household odors for a fresher environment.
UNIVERSAL COMPATIBILITY - Seamlessly fits Winix PlasmaWave models 5300, 6300, C535, P300 and Fellowes AeraMax 290/300 DX95—no guesswork, just plug & play.
SUPERIOR AIR PURIFICATION - H13 True HEPA filter captures 99.97% of airborne particles down to 0.3 microns, ensuring cleaner, healthier air.
LONG LASTING COST EFFICIENT - Durable, high-strength non-woven fabric extends filter life up to 12 months, saving you money and reducing waste.

The 115115 Replacement Filter A Size 21 is a premium H13 True HEPA and activated carbon filter designed for Winix PlasmaWave air purifiers and select Fellowes models. Engineered with eco-friendly materials, it delivers superior filtration of airborne particles and odors, extending purifier efficiency for up to 12 months. This 3-pack offers easy, tool-free installation and broad compatibility, backed by a 180-day satisfaction guarantee—perfect for professionals who demand clean air and hassle-free upkeep.

Specifications

ASIN	B09ZP3JDT8
Air Filter Construction	Pleated
Best Sellers Rank	#77,323 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #479 in Air Purifier Filters
Brand Name	APPLIANCEMATES
Common Applications	Residential, Appliances
Compatible Air Purifier Models	Fellowes AERAMAX 290, Winix 5300, Winix 5300-2, Winix 5500-2, Winix 6300, Winix 6300-2, Winix 9500, Winix C535, Winix P300
Compatible Devices	5300, 5300-2, 6300, C535, P300
Compatible Hvac Systems	residential
Customer Reviews	4.8 4.8 out of 5 stars (471)
Filter Mounting Type	Slide In
Filter Shape	Rectangular
Included Components	H13 TURE HEPA
Item Dimensions L x W x Thickness	16.2"L x 12.3"W x 1.2"Th
Item Highlight	Fits Winix Air Purifier 5300 6300 6300-2 P300 AM90 C909 9800, 3-Pack Filter A 115115
Item Weight	1.17 kg
Manufacturer	APPLIANCEMATES
Manufacturer Part Number	115115-W
Material Type	Activated carbon filter
Model Number	115115
Number of Items	3
Product Grade	like new
Unit Count	3 Count

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