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FlowFlex COVID-19 Rapid Antigen Nasal Lateral Flow Test Kits - Single Kits

Full Home Test Approval Granted in the UK & EU

check_boxIn Stock - over 10,000 available

local_shipping Delivery: 1-3 Working Days
blockThis product is NON-returnable - More
  • UK Government Public Health England, Porton Down Laboratory approved for Home Use
  • Non-Invasive Swab only 1-2cm into the lower nostril completely reduces discomfort
  • Results in 15 minutes offer significant time/cost savings over lab methods & accuracy of up to 98.8%
  • Supplied with pre-filled tubes of buffer fluid for maximum ease of use
  • CE Certified and MHRA Registered
Code: FFRT

Prices per individual kit

1 - 4 kits
5 - 9 kits
10+ kits
1.07 inc vat
1.04 inc vat
1.02 inc vat
0.89 ex vat
0.87 ex vat
0.85 ex vat
The Public Sector, Schools & Registered Charities can order online & receive 30 days instant credit - Read More...

Test Procedure

Test Procedure
Test Procedure
Test Procedure
Test Procedure
Test Procedure

1. Insert the entire absorbent tip of the swab into one nostril. Using gentle rotation, push the swab less than 2.5 cm from the edge of the nostril.

2. Rotate the swab 5 times brushing against the inside of the nostril.

3. Remove the swab and insert it into the other nostril. Repeat step 1.

4. Remove swab from the nostril.

Sample Preparation

Sample Preparation
Sample Preparation
Sample Preparation
Sample Preparation
Sample Preparation
Sample Preparation

1. Open the buffer tube

2. Insert the swab into the tube and swirl for 30 seconds. Rotate the swab 5 times while squeezing the side of the tube.

3. Remove the swab while squeezing the tube.

4. Attach the dropper tip firmly onto the extraction buffer tube. Mix thoroughly by swirling or flicking the bottom of the tube.

5. Gently squeeze the tube and dispense 4 drops of the processed specimen into the sample well.

6. Read the result when the timer reaches 15 minutes. Do not read after 30 minutes.

Interpretation of the Results

Interpretation of the Results

Once 15 minutes has passed check the results indicator

The "C" (control) line must have a red mark or the test is invalid

The "T" (test) line is red for a positive result (even a faint line is a positive result)


These Flowflex COVID-19 Rapid Antigen Lateral Flow Test Kits use the latest patented technology in detecting proteins ensuring that it can detect new strains of the COVID-19 virus. They are fully approved by UK Government Public Health England, Porton Down Laboratory for Home Use, are very quick and simple to administer, and offer a combined testing accuracy of up to 98.8% to find out if you currently have COVID-19 in just 15 minutes.

These lateral flow tests kits are packed individually (boxes of 5 and boxes of 25 are also available).

These Flowflex tests are fully Home Use approved and completely non-invasive as they detect the nucleocapsid protein antigen from SARS-CoV-2 via a nasal swab. They differ from your usual nasopharyngeal lateral flow COVID-19 test as the test only needs to enter the lower nostril, therefore, reducing discomfort without compromising on accuracy. The test only requires a 1-2cm swab, unlike the standard 9-10cm swab into the nostril.

The test kits are uniquely packaged with their own individual serial number for mass testing and tracing to ensure easy distribution and to eliminate the risk of contamination to your workforce.  The tests are suitable for testing large groups of people, including regular testing of employees in education, healthcare, sports, commercial, retail, travel, and care industries.

Clinical trials from various countries show a combined accuracy of 98.8% (97.1% relative sensitivity and 99.5% relative specificity) for these tests.

Each individual test kit includes:

1 x Individually sealed test cassette
1 x Individually sealed disposable swab (1-2cm into the lower nostril)
1 x Pre-filled extraction buffer tube
1 x Instructions
1 x Waste Bag

The UK Government Public Health England, Porton Down Laboratory, which reviews all lateral flow tests for the DHSC/UK Government, has validated these tests to have exemplary accuracy at multiple viral loads, including for asymptomatic patients, and across the new different variants. You can find them in the list here: https://www.gov.uk/government/publications/assessment-and-procurement-of-coronavirus-covid-19-tests/outcome-of-the-evaluation-of-rapid-diagnostic-assays-for-specific-sars-cov-2-antigens-lateral-flow-devices

The results will inform you of the following, although please be aware that if the C line does not appear, the test is invalid. There is 1 negative and 1 positive result:

Negative Result: If only the quality control line (C) appears and the detection line (T) is not visible, then no SARS-CoV-2 antigen has been detected and the result is negative.

Positive Result: C and T - if the quality control line (C) and the detection line (T) appears, then the SARS-CoV-2 antigen has been detected and the result is positive. You currently have COVID-19, and a PCR confirmation test should be carried out.

Please note that if you are experiencing any COVID-19 symptoms, you must follow Government guidelines in terms of isolating and testing. We recommend you read the Official Government Guidance regarding SARS-COV-2 Lateral Flow Tests here.

These FlowFlex Rapid Lateral Flow Antigen Test Kits are MHRA registered, CE Marked, and ISO certified.


Hover over the i icon (if applicable) for more information
Results Available in
15 minutes
Overall: 98.8%
Number of Possible Results
2 (Positive or Negative)
Shelf Life
October 2024
Store Temperature
2 - 30°C
Sample Volume
4 drops of the prepared specimen
CE Certified
Listed on the UK Government Website

Specifications are subject to change - See Terms & Conditions for more info