Product features

  • Accurate results within 15 minutes*
  • Results include downloadable Fit to Fly certificate
  • For adults and children without COVID-19 symptoms

Product description

Ideal for both adults and children without COVID-19 symptoms, the Flowflex SARS-CoV-2 Antigen Rapid Test Fit to Fly/Pre-departure kit can be used conveniently at-home or whilst travelling to test whether you are COVID-19 free. This nasal swab test is a single use device, the test includes everything you need to simply take your sample.

The test can be used when you’re preparing for outbound international travel or inbound travel for pre-departure as a Fit to Fly certificate, which can be downloaded as proof of a negative result. Make sure to check the travel and testing requirements of your travel provider and destination country, as requirements and timings can vary greatly from country to country. You can check the latest advice here.

  • Intended use

    The SARS-CoV-2 Antigen Rapid Test (‘Rapid Test’) is a self-test that is intended to be used for the detection of SARS-CoV-2 nucleocapsid antigens in anterior nasal swab specimens. The sample is collected via a nasal swab, for investigation by in-vitro diagnostic procedures. It is a single-use device.

  • Can I use my results as a ‘fit to fly’ certificate?

    Yes, you can use your results to support travel to another country, or for pre-departure testing when you are returning to England.

    Your test result can be verified from Monday to Friday, between 8:00am and 5:00pm, and on weekends and bank holidays between 9:00am and 3:00pm. If you upload your test cassette photo after this period, your COVID-19 certificate will be issued on the next working day. Please note that the verification service operates only on GMT (Greenwich Mean Time).

  • Test result verification process

    The Rapid Test can be used at-home, with the results verified by a trained professional. The verification is delivered remotely when a photograph of the used test is uploaded. A certificate of the result is then provided, which confirms if the result is negative, positive or invalid.

    In order to use the test verification process and upload a photograph of your test result, you will be require a unique booking reference. This will be included in your booking confirmation. When you are ready to carry out your test, simply log onto or follow the link on your booking confirmation and follow the instructions.

  • Getting your results

    You will receive a notification email when your test has been verified.

    To view and download your COVID-19 Antigen Rapid Test certificate, go to your MyHealthChecked Test certificate, go to your MyHealthChecked account, and click on “Tests” and select the test in question. If you haven’t received a notification email within 2 hours, please check your spam folder or contact our customer care team at

    Please not that your test results can be verified from Monday to Friday, from 8am to 6pm, and on weekends and bank holidays from 9am to 3pm. Therefore, if you upload your test cassette photo after this period, your COVID-19 certificate will be issued on the next working day.

    If a result is positive, you will be required to confirm your address and complete a PCR test issued by the UK Government. The PCR test will be sent to your address by the Government, and is not part of this testing service.

  • Important information

    • Please read this information carefully before purchasing your at-home COVID-19 PCR sample collection kit
    • If you’re purchasing this kit for international travel purposes it is essential you check what the exact requirements are of the country you are travelling to before ordering
    • Please ensure that you have 30 minutes to carry out the process from start to finish. Once you have begun the process of running your test and uploading the image, you cannot pause or abandon the process. If you do, you will be required to purchase another test and begin the process again.
    • This service is optimised for use on a smartphones, though it may also work on a laptop or desktop.
      If you’re using a smartphone: please use and up-to-date iPhone, iPad or Android device with a camera.
      If you have to use a laptop/desktop: please use an up-to-date version of Chrome or Firefox, your computer will need a high resolution webcam.
    • Either not swabbing, or light swabbing will NOT return a negative result. It will result in an ‘Invalid’ test result which will require a re-swab
    • MyHealthChecked are not responsible for the activation of your test kit; this must be carried out by you. If you don’t activate your sample, it will mean you can’t access your test results. Refunds will not be provided if you forget to activate your kit
    • You must activate your kit online at before you take your sample. If you do not activate your kit, we are unable to process your sample
    • MyHealthChecked are not responsible for any changes in your circumstances, or changes in Government directives regarding self-isolation. Therefore, if you have opened the package your test kit arrived in you are not entitled to a refund, even if you no longer require the test
    • MyHealthChecked are not responsible for any changes in the Government travel requirements or restrictions and cannot provide any guidance on these. For up-to-date advice please visit
    • MyHealthChecked accepts no responsibility for delays in results or liability for any costs arising from any delay, disruption or cancellation of your travel plans directly or indirectly caused by the requirement to produce a travel certificate
    • It is your responsibility to check the travel certificate requirements of the airline destination, including the test collection time frame requirements. The maximum number of hours or days prior to your flight in which your test needs to have been taken varies depending on airline and travel destination. This may vary between 72 hours to 7 days before departure or arrival at your destination and is subject to change
    • Please check requirements before purchasing your test kit to confirm the correct time frame. Then make sure you take the swab and send back the sample within this time frame
    • It is essential to ensure your full name, date of birth and (if travelling) passport number are entered correctly when you activate your kit, as this is what will appear on your COVID-19 Fit to Fly certificate for international travel. We are unable to change any details once your test has been activated
    • Please ensure you read the instructions for use leaflet carefully before taking your sample
    • If you have any questions regarding this product, please contact
  • Specifications

    • 1 test
  • What's included

    • 1 x Packaging insert
    • 1 x Disposable swab
    • 1 x Extraction buffer tube
    • 1 x Dropper
    • 1 x Test cassette with a QR code
    • 1 x Buffer tube holder
  • Suitable for

    • Adults aged 18 and over: self-test (unless unable to do so)
    • Teenagers aged 12 to 17: self-test with adult supervision
    • Children 11 and under: An adult must take the sample following the instructions in the information for use leaflet provided with your test
  • Warnings and cautions

    • Do not use the sample collection kit is any components listed in the section “What's included” are missing or damaged, contact us at:
    • Watch the instruction video before performing your test. Failure to follow directions may result in inaccurate results and under these circumstances we are unable to provide test results
    • Please do not read the results on your test cassette after 30 minutes as it may lead to false positive results
    • Store your test kit at room temperature between 2-30C. Do not store it in a fridge and keep out of direct sunlight
    • Do not use the test after the expiration date
    • All used tests should be discarded in a closed bag and in accordance with local regulations. If the extraction buffer accidentally contacts your skin or eyes, wash it with large amounts of water and contact your doctor if necessary
  • How to use

    • Check the contents of your test kit – Please read the kit IFU that is included within the test kit box fully before beginning the testing process.
    • Make sure you have a smartphone and are in a well-lit room – For your test result to be verified, you will need to be submit a photograph of your test cassette, this will require a smartphone or a laptop. The test must be carried out in a well lit room.
    • Allot 30 minutes to perform your test – Please allow 30 minutes to prepare for and complete all test procedure. Once you begin the process you need to complete the test within the allotted timeframe.
    • Create you MyHealthChecked account – When you are ready to take you test, please click on the link within the booking confirmation email or go to: to create your account.
    • Fill in the Rapid Antigen Test form – Go to your MyHealthChecked dashboard then click on “Take Antigen Test” and enter your booking reference, you will be required to confirm your details.
    • Watch the instruction video – Make sure you watch the video and flow the instructions inside the kit box to see how to perform your Rapid Test.
    • Start your timer – Once you have completed your sample collection, please wait 15 minutes for the results to be ready. Test results must be read within 30 minutes or results will be no longer be valid.
    • Take a picture of your test cassette – You will be required to take a picture of your result cassette including the QR code for the test verification. You will need to upload the photograph as instructed on your dashboard.
    • Test result verification – The photograph of your test result will be received and verified by out team of trained professionals. Your test result will be negative, positive, or invalid. If your result is invalid, you will need to take another test.
    • Result is ready – You COVID-19 certificate result will be ready within 2 hours of completion of your test and we’ll notify you when it is ready via email. If you have any questions, contact us at
  • Delivery and returns

    Click & Collect

    • Free on all orders over £20
    • £1.50 for orders up to £20
    • Delivered in 4-5 working days if ordered before 6pm Monday - 6pm Thursday
    • Delivered the following working Friday if ordered after 6pm Thursday - 6pm Monday

    *Please note: If your chosen pharmacy is in the North West, North East, Yorkshire, the Isle of Man, Channel Islands or Scottish Highlands and Islands your order will take an additional working day to these delivery times. To find out if your pharmacy is impacted click here.

    Standard delivery

    • Free on orders over £30
    • £3.99 for orders up to £30
    • Delivered in 4-6 working days

    Express delivery

    • £5.99 
    • Delivered Next Day if ordered before 6pm Monday to Friday
    • Delivered Tuesday if ordered after 6pm Friday to Sunday

    Pharmacy Medicines delivery

    Pharmacy Medicines will need to be signed for by someone aged 18 or over. If there isn't anyone in who can sign for your order, you can change your delivery date or redirect it to a local parcel shop using the courier's website or app.

    Unfortunately, your order can't be left in a safe place or with a neighbour. The courier will try to deliver three times before they return it to us.

    Purchasing in bulk/high unit volume

    Please note that when purchasing high unit volumes of single lines (10+ units) that delivery promotions are null and void.
    This is as a result of high volume orders not being able to be dispatched via our normal third party fulfilment.
    As a result for any excessive bulk orders of single lines we will be in touch regarding your order to discuss further delivery costs that will be incurred.


    If you're not completely satisfied with your order, you can return it to us within 28 days
    Find out more about our returns policy click here