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  • Pull down fly screen can be easily retracted when not in use
  • Fly screen has a cassette frame which means no gaps for insects to get through

Pull down window fly screen - Medium

Calculated at checkout

Product Description

Orders placed now will be shipped within ten days. 


Min/Max height: 400mm-1200mm

Min/Max width: 601mm-1200mm

(Not the right size? View our small or large pull down fly screens for windows)


Our medium pull down fly screen for windows works just like a traditional roller blind except that it fits directly onto your window frame instead of the recess. The retractable window fly screen then pulls down and clips into place at the bottom when the window is open allowing fresh air in whilst keeping insects out.

All our window fly screens are made-to-measure so there is no cutting involved. Once your fly screen arrives, all you need to do is click the four sides together and simply press the fly screen onto your existing window frame using the super-strong adhesive strips.

We know you’re going to love your new DIY fly screens and we are so confident in our easy-to-use measuring guides, we offer a no-quibble exchange. Find out more.

Suitable for: casement, tilt and turn, hopper and sash windows and roof vents

Download our pull down window fly screen measuring guide here to get started.


Maximum effect:

  • No gaps: our cassette frame ensures there are no gaps around the edges where insects could potentially get in, unlike ineffective chains and curtains.
  • More durable: our roller tube holds the insect screen fabric in an enclosed housing keeping it clean and protecting it from the premature weathering and accidental damage common to fixed-mesh fly screens.
  • Always taut: our spring lock adjuster stops the fly screen from being over pulled so the mesh remains taut and ensures no insects can get through.
  • Smooth action: spring tension adjuster increases or decreases the recoil rate so that it retracts smoothly into the housing.
  • Discreet: manufactured in white uPVC to match your existing frames for a smart, discrete look. Mesh retracts out of sight when not in use.

Minimum effort:

  • No cutting: our fly screens are made to measure for you so there is no tricky cutting or sawing involved.
  • Easy assembly: our fly screens come in just four pieces which simply click together meaning you don't have to be a DIY expert to fit this product.
  • No screws: sticks to your existing frame using super strong foam tape so there's no drilling required and no permanent alterations to your frames.
  • Fit and forget: once fitted, your fly screen stays in place all year round so it’s always there when you need it.


DIY fly screens are also suitable for a variety of commercial applications including restaurants, canteens, cafés, snack bars, hotels, pubs, residential homes, schools, nurseries and home businesses. Visit our fly screens for business page for more information.

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Product Reviews

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  1. Fantastic 5 Star Review

    Posted by on 8th Jul 2021

    Absolutely amazing product and exceptional customer service. I’m so pleased to have found this company, and highly recommend them.
    Screens are Easy to assemble and fit too, and even though they are diy, they look professionally fitted.

  2. Easy and quick to fit 5 Star Review

    Posted by on 1st Apr 2021

    Went together really easily, a doddle to put up. Blends in with sunroom and does the job. Very pleased.

    Delivery was pretty quick too.

  3. Excellent Product 5 Star Review

    Posted by on 7th Jun 2019

    Having made the decision to purchase 5 medium and 1 large pull down fly screen together with a pull across door fly screen I am very pleased with the final result. The windows blend well with my Uvpc conservatory and door. The windows, with care, were easy to install - and are very effective in operation. The door was less easy to install as it's very flexible prior to adhering to the door frame, and having inadvertantly touched the door frame in the wrong position it was almost impossible to adjust. I ended up using a three foot long crowbar in order to unstick before repositioning it. This is despite using two people to do the job. All ended well however, and I can vouch for the immense strength of the adhesive which bodes well for longevity of all of the fixings

  4. Money well spent 5 Star Review

    Posted by on 7th Aug 2018

    As someone who hates opening windows because flies and wasps can get in, I decided to buy a flyscreen. I've had those cheap velcro ones in the past and they are beyond hopeless.

    These uPVC flyscreens are more expensive but they are worth it because they fit so easily, look smart and they are quick to operate.

    It's been a very hot summer so far and I can finally open my windows without worrying about bugs !!

  5. Does exactly what it is supposed to do. 4 Star Review

    Posted by on 27th Jun 2018

    Very well executed design, installation a little tricky to get everything square.
    Very easy to operate

  6. Perfect fit 4 Star Review

    Posted by on 7th Feb 2018

    Needed slightly less than the min measurement but after an email that wasn't a problem getting the exact size and they fit prefect, would willing recommend this product.

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