Can these be used in conjunction with furnace filters with out cutting down flow rate cosiderably ?

Although I ultimately decided against the purchase based on cost, the company was very responsive, and repeatedly and rapidly answered all my email questions. In addition, they will cut to your specifications. Although some reviewers reported that this product was much less than 0.2 inches, the company specifically told me that the thickness was 0.2 inches. You can always return the product to Amazon within 30 days, if it is not as advertised.

If I just hold up the cloth will it still filter air as the air flows, if I don’t buy the machine?

No, this is not how filters work. Air must be forced through a very fine media otherwise it would take the path of least resistance and simply move around the filter. Also this is not a filter, It is a prefilter that absorbs odors.

What are the fibers made of?

They are a soft plastic foam similar to what you find on a window airconditioning unit

Does this contain fiber glass? Would this be ideal for the insert of a diy n95 mask?

What you could do is add it to the inside of an existing N95 mask to help protect against OV. Activated charcoal is used to filter organic and inorganic vapors.

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Breathe Naturally 16x48 Cut-to-Fit Activated Carbon Filter Sheet (1 Pack) Multi-Use Charcoal Air Filter Pad for Air Purifiers, Air Conditioners, Air Vents

Product ID: 266278379

Details

Brand
Breathe
Compatible devices
Air Purifiers
Item weight
3.84 Ounces
Material
Activated
Product dimensions
121.9L x 40.6W

✂️Universal cut-to-fit design

🛡️0.2-inch extra thick filtration

🇺🇸Made in USA, premium quality

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$78.23

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Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌬️ Breathe smarter, live fresher — your air’s new best friend!

FRESHNESS SEALED IN - Comes in a resealable bag to keep unused filters fresh and ready, ensuring consistent air quality.
SUPERIOR FILTRATION POWER - Extra thick 0.2-inch activated carbon layer traps smoke, odors, pollen & pet hair without airflow loss.
CUSTOM FIT FOR EVERY SPACE - Easily cut and attach with included hook & loop tapes for a perfect seal in any air purifier or vent.
VERSATILE MULTI USE DESIGN - Ideal for air purifiers, HVAC, litter boxes, range hoods, and more—one filter, endless applications.
TRUSTED AMERICAN CRAFTSMANSHIP - Proudly made in the USA with top-tier materials for reliable, long-lasting performance.

Breathe Naturally’s 16x48 activated carbon filter sheet offers an extra thick 0.2-inch filtration pad designed to capture smoke, odors, dust, and airborne pollutants. Its universal cut-to-fit design with hook & loop tapes ensures seamless installation across multiple devices including air purifiers, HVAC systems, and vents. Available in multiple pack sizes and sealed in a resealable bag, this premium USA-made filter guarantees fresh, clean air for homes and offices.

Specifications

ASIN	B07YMLNR46
Air Filter Construction	Pad/Roll
Best Sellers Rank	#24,904 in Kitchen ( See Top 100 in Kitchen ) #200 in Air Purifier Filters
Brand Name	Breathe Naturally
Common Applications	Residential, Appliances
Compatible Devices	Air Purifiers, Dehumidifiers, Oven, HVAC Systems
Compatible Hvac Systems	residential
Customer Reviews	4.5 4.5 out of 5 stars (3,850)
Filter Shape	Custom Shaped
Item Dimensions L x W x Thickness	121.9L x 40.6W x 0.5Th centimeters
Item Weight	3.84 Ounces
Manufacturer	Breathe Naturally
Manufacturer Part Number	38002
Material Type	Activated Carbon
Model Number	38002
Number of Items	1
Product Grade	like new
UPC	739342810021
Unit Count	1 Count

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