This listing states material: fiberglas, but in description, states no fiberglas.which is correct?

I have the same question... Its very disheartening that, after 3 months, absolutely no one can tell you what this material actually is

can i use this on mattress to protect from dust mites?

I don't think that would work, I would get a plastic cover for the mattress.

We have older round ceiling vents. Going to cut to size but are these supposed to go on outside of vent or the inside? Does it matter?

Typically you want your filters to be in line right before your furnace/blower. That way all the junk being sucked in through the return duct in your house doesn't collect inside your furnace or duct system, I'll usually use filters over the vents as a secondary if I think a location really needs it or the customer requests it. That all being said, either inside or outside the vent works the same as long as you can ensure there are no holes where air (and therefore microscopic particulates) can infiltrate.

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Merv 13 フィルター素材エアフィルター用 (16フィート²) 空気粒子クリーンリビングベーシックダスト0.3ミクロン効率的で通気性のあるDIYデザイン (16平方フィート)

Merv 13 フィルター素材エアフィルター用 (16フィート²) 空気粒子クリーンリビングベーシックダスト0.3ミクロン効率的で通気性のあるDIYデザイン (16平方フィート)

Product ID: 725761472

Details

Brand
PrettyWit
MERV Rating
13
Compatible Devices
Furnace
Item Weight
0.13 Kilograms
Compatible Air Conditioners
Inventor
UPC
193499920871

✂️32 ft² DIY cut-to-fit design

🌬️Efficient breathability without fiberglass

🛡️MERV 13 captures 90% of 1-3µm particles

RM447

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Description

🛡️ Breathe Boldly: Filter Smarter, Live Healthier!

VERSATILE RELIABLE - Ideal for homes, offices, warehouses, and medical facilities seeking premium air protection.
FIBERGLASS FREE COMFORT - Safe, hypoallergenic material ensures breathable air without irritating fibers or chemicals.
SUPERIOR PARTICLE DEFENSE - Blocks 90% of allergens, dust, and pet dander down to 0.3 microns for cleaner, healthier air.
EFFORTLESS DIY INSTALLATION - Lightweight, flexible design makes cutting and fitting a breeze—upgrade your air quality in minutes.
CUSTOMIZABLE FIT FOR ANY SPACE - Generous 32 sq ft sheet lets you tailor your filter size perfectly to your HVAC or furnace needs.

The PrettyWit MERV 13 Filter Material offers a commercial-grade air filtration solution that captures up to 90% of airborne particles as small as 0.3 microns. With a large 32 sq ft fiberglass-free sheet, it’s designed for easy DIY customization to fit various HVAC and furnace systems, providing efficient breathability and superior protection against allergens, dust, mold, and pet dander in any environment.

Specifications

ASIN	B08K3BDHR6
MERVレイティング	13
UPC	193499920871
おすすめ度	5つ星のうち4.3 307 レビュー
パック数	1
パッケージ内に含まれる商品の数	1
ブランド	PrettyWit
ブランド名	PrettyWit
メーカー名	AIRBAY
メーカー型番	65
ユニット数	1.0 個
互換性のあるエアコン	インベンターチリー9000BTU
品番・型番	65
品目の寸法（長さ x 幅x 厚さ）	2.15長さ x 0.7幅 x 0.03厚み m
商品の寸法	2.15長さ x 0.7幅 x 0.03厚み m
対応アイテム	ファーネス
対応デバイス	ファーネス
最小効率報告値 (MERV) レーティング	13
材質	Merv 13素材。
素材	Merv 13素材。
製品用途	新品。

Reviews

J**S

Perfect for anything with a fan

Perfect for anything with a fan. Just cut to fit the intake side of the fan and the air exiting the fan will be cleaner. I have used it on a box fane and it collects an amazing amount of dust. I have also been using it on two window air conditioners to filter the air. I don't know why I didn't think of this years ago but it is absolutely fantastic and I will continue to do this for the rest of my life. Try it and you will be amazed.

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P**.

Great to create replacement filters

I used this to revive an old Rigid air filter system. OEM filters are no longer available so this is a practical alternative.

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E**N

clean air

they worked great

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A**R

Works well.

Works well to reduce airborne particulates by filtration. I have noticed a decrease in respiratory issues after use.

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S**.

Mobile home

I live in a mobile home and the furnace only uses a certain kind of because of the size of furnace…..they suck(pun intended) they are terrible….this one is fantastic cut to size ….allergen certified…dander….smoke…hair….this one gets it all……best I’ve used…I recommend

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

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RM447

Duties & taxes included

In stock

Sold byAmazon MalaysiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Malaysia.

Secure transaction

ProDesertcart PRO

Fast, free shipping, member pricing & priority support.

Join PRO →

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

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Merv 13 フィルター素材 エアフィルター用 (16フィート²) 空気粒子 クリーンリビング ベーシックダスト0.3ミクロン 効率的で通気性のあるDIYデザイン (16平方フィート)

Details

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Description

Specifications

Reviews

Common Questions

Merv 13 フィルター素材エアフィルター用 (16フィート²) 空気粒子クリーンリビングベーシックダスト0.3ミクロン効率的で通気性のあるDIYデザイン (16平方フィート)