Is the product strong enough to keep open a window that wants to slide closed? My old window won't stay up and I'm looking for a way to prop it open.

Yes it will. I'm using it myself in a window that doesn't want to stay open. Plus it has weather stripping and bugs don't seem to get in like the ones that are sold at big box stores.

Is this enough to keep my cat from jumping out?

The tighter the fit, the greater the likelihood that your cat cannot jump out. I don't think my cat could jump out the windows that the screens are in. If the cat charges the screen, maybe! Good luck.

Do these screens rust?

I've only had mine for a few months, so I wouldn't know about rust. I can say that they seem to be pretty durable. I have five kittens jumping and scratching at the screens to get to the birds on my windowsill, and yet the screens appear to be fine so far.

do have screens to fit a20 1/2" wide by 31" long?

The description say's they are 15 inches high and 21to40 inches wide so you would have to measure your area and see.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Fenestrelle Expandable Window Screen, 2 Way Adjustable, Horizontal (15"h fits 21-40"w) or Convert to Vertical (21"h fits 15-28"w), 2 Pack

Fenestrelle Expandable Window Screen, 2 Way Adjustable, Horizontal (15"h fits 21-40"w) or Convert to Vertical (21"h fits 15-28"w), 2 Pack

Product ID: 346777009

Details

Brand
Fenestrelle
Material
Aluminium
Colour
White
Product Dimensions
101.6L x 53.3W
Finish Type
Powder Coated

↔️Expands 21-40" wide horizontal fit

↕️Converts to 21" high vertical fit

🛠️Tool-free, instant installation

5071 DH

Duties & taxes included

In stock

Sold byAmazon MoroccoDelivered 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 Morocco.

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Description

🪟 Upgrade your view and breeze—screen smarter, live fresher!

HASSLE FREE SETUP - No tools needed—just slide in and close your window for instant protection
SNUG WEATHERPROOF SEAL - Built-in fuzzy weatherstripping blocks drafts and unwanted critters
TIGHT WEAVE FIBERGLASS MESH - Keeps bugs out while maximizing fresh airflow
DUAL DIRECTION EXPANDABILITY - Fits both horizontal and vertical window openings effortlessly
DURABLE POWDER COATED ALUMINUM FRAME - Rust-resistant strength built to last through all seasons

Fenestrelle Expandable Window Screens offer versatile 2-way adjustability to fit a wide range of double-hung windows, featuring a durable powder-coated aluminum frame and tight-weave fiberglass mesh. Designed for quick, tool-free installation, these screens provide reliable ventilation while blocking insects and drafts, making them an essential upgrade for modern homes.

Specifications

ASIN	B0776ZP83Q
Brand	Fenestrelle
Colour	White
Customer Reviews	4.7 out of 5 stars 3,449 Reviews
Enclosure Material	Aluminium
Finish Type	Powder Coated
Finish Types	Powder Coated
Item Dimensions L x W	101.6L x 53.3W Centimeters
Manufacturer	AWarehousefull
Manufacturer Part Number	FEN 84010
Material	Aluminium
Model number	FEN 84010
Product Dimensions	101.6L x 53.3W Centimeters
Style	Pack of 2
UPC	852096008015
Unit Count	2.0 Count

Reviews

A**O

es para ventanas CORREDISAS

genial es practico me ahorra instalr el mosquitero de cerrajero, solo abres la ventana, meter el mosquitero, y le cierras, presionando el mosquitero y listo ya tienes una avertura de ventilacion, si esto lo mezclas con un mosquitero de imanes que venden aqui mismo en amazon, es una chulada, que frescura, adios a las MOSCAS del dias y a los VAMPIROS (moscos) en la noche)

19.06.2024

T**T

Best idea !!

Bought these after I found my cat squeezed out the window and was on the ledge 3 stories up. They work perfect for fast and easy for to windows that don’t have screens. I would definitely recommend them.

22.06.2019

C**E

Easy to install

Well made, easy to install and quite sturdy. You get 2 screens the same size, mesh is tightly woven, the frame is a light weight metal, these are great but from a security angle they don't replace a closed locked window, delivery was super quick

5.04.2025

C**L

Highly recommend

These are great! I have old ones that are smaller and not as good quality however when these arrived for my bedroom windows I was really impressed! They’re really good quality and it was super fast delivery. I’m really happy with my purchase!

10.02.2022

B**D

Great window protection

The screens arrived April 29th in perfect condition. I am using them vertically in a patio door and they work very well.

13.05.2022

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5071 DH

Duties & taxes included

In stock

Sold byAmazon MoroccoDelivered 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 Morocco.

Secure transaction

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