The differences between a window filter and an insect screen

Ordinary insect screens target insects, pet mesh targets scratching and pollen mesh targets coarse pollen. A nanofiber window filter, however, is designed to hold back dust, pollen and tiny insects together. We have put them all side by side below.

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Comparison table

	Ordinary insect mesh	Pet mesh	Pollen mesh	Odera window filter
Flies and mosquitoes	Holds back	Holds back	Holds back	Holds back
Tiny insects such as sand flies	Mostly gets through	Mostly gets through	Holds back some	Holds back
Dust	Gets through	Gets through	Holds back some	Holds back most of it
Pollen	Gets through	Gets through	Holds back the larger ones	Holds back most of it
Airflow	Very high	High	Medium	Medium, breathable
Scratch resistance	Low	High	Low–medium	Medium–high
Cleaning	Wipe clean	Wipe clean	Wipe clean	Washable, rinse clean
Visibility from outside	You can see in	You can see in	Partly	Hard to see in

The ratings in the table reflect the general features of each product type; they may vary from brand to brand.

Ordinary insect mesh

A mesh woven from fibreglass or polyester thread. Its purpose is to keep flies and mosquitoes out; it does this well and hardly blocks the air at all. But its holes are far too large for dust and pollen. If dust does not bother you and mosquitoes are your only worry, an ordinary insect screen is enough.

Pet mesh

A mesh woven from thicker threads that resists scratching and tearing. It is a good option for pet owners but no better than standard mesh at holding back dust and pollen.

Pollen mesh

Mesh woven more tightly than standard mesh or electrostatically charged. It holds back some of the larger pollen grains. But its ability to hold back fine dust and small particles is limited, and its effectiveness can drop in rain and over time.

Nanofiber window filter

Not a woven mesh but a layered membrane. Thanks to the nanofiber web in the middle it holds back both coarse and fine particles, while the outer and inner layers keep the structure strong. Being washable and not fraying when cut makes it usable for a long time. Read how it works here.

Which one should I choose?

If mosquitoes are your only complaint: An ordinary insect screen is enough.
If your cat tears the mesh and dust is not a problem: Pet mesh.
If your windowsill keeps getting dusty, you cannot open the window in pollen season, or you have a baby or a family member with allergies: A window filter.

Many of our customers find a balanced solution by fitting window filters in the rooms where they spend the most time, such as the bedroom and the child’s room, and ordinary insect screens in the other rooms.

Does a window filter replace an air purifier?

They do different jobs. An air purifier filters the air in a closed room over and over; a window filter filters the air coming in from outside at the window. If you open the window often, a window filter also reduces the load on an air purifier indoors. The two can be used together.

Which particles does it protect against?

Most particles in the air are too small to see. Classic insect mesh only stops creatures the size of a fly; the nanofiber layer of the Odera window filter forms a barrier across a wide range, down to fine dust, pollen and smoke.

0,010,11101001.00010,000 µm

Ultra-fine dust

Smoke and soot

Exhaust

Dust

Pollen

Mould and plant spores

Dust mites

Sand flies, micro insects

Mosquitoes, house flies

Raindrops

Classic insect screen

Odera window filter

Sizes are approximate ranges; the scale is logarithmic.

Frequently asked questions

How is it different from an ordinary insect screen?

The holes in an ordinary insect mesh are small for flies and mosquitoes but large for dust and pollen. The nanofiber layer in the middle of the window filter also holds back fine particles in the air. You can find a detailed comparison on the window filter vs insect screen page.

Do cats damage window filters?

The filter’s protective outer layer is more durable than standard insect mesh and copes well with everyday contact. Even so, constant scratching by a cat that has made climbing a habit can damage any kind of mesh. For windows your cat climbs, see our tips for pet owners.

Odera window filter fitted to a window with hook-and-loop tape

What is a window filter?

A window filter is a thin filter fitted to windows and doors like an insect screen; it lets air through and holds back dust, pollen and tiny insects…

Layer diagram showing how the window filter filters particles

How does it work?

The Odera window filter has three layers. The nanofiber layer in the middle lets air through while dust and pollen…

Dustproof insect screen

Ordinary insect mesh is made for flies, not dust. If you are looking for a dustproof insect screen, what you are really looking for is a…

Products

We ship the Odera window filter in two ways. If you want to fit it directly to the window, the hook-and-loop model; if you have an existing screen…

Open your window, keep dust and pollen outside

Hook-and-loop kit or roll. Free shipping across Türkiye, secure card payment. Fill in the form or message us on WhatsApp for a made-to-measure order.