This clever little device closes your valve. It’s easy to put in and even easier to take out. Use it when you are in environments where there is a requirement to close your valves.
Watch the video here to see how to fit it in your Respro® Mask Valve.
Buy the new Respro® Valve Blok™
Fits all Respro® Mask valves* except the valve used in the *Sportsta™ Mask. This model is coming soon.
Pollution Masks since 1993 - The 'Original' and still the best - Made in the UK - respro.com
The Respro® Bulletin Board is designed to keep you up to date with current views and issues relating to Air Pollution and its health implications in our daily lives.
Click the map to explore current air quality levels by country. 
Essential features required of a mask to work properly: Why wear a mask?
For information on the products we provide please visit our website respro.com Respro® will ship your order of any product, any quantity to anywhere on the planet free of charge.
Three important points to look out for in an air pollution mask:
Key Points to a Mask
Air Pollution Air Quality Asthma Beijing Boris Johnson California Canada China Delhi Department for Environment Food and Rural Affairs (Defra) diesel exhaust fumes EU - European Union Europe forest fire France Germany HAZE Health Effects of Air Pollution India Indonesia Iran King's College London London London Mayor Malaysia Nitrogen Dioxide NO2 NOx Ozone O3 Paris PM - Particulate Matter PM2.5 PM10 Research Respro® Masks FAQ Respro® Products Scotland Singapore Smog Sulfur Dioxide SO2 Thailand UK USA vehicle emissions wildfires World Heath Organization (WHO)
Pollution Masks - The 'Original' and still the best - Established 1993 - Made in the UK 
Shipping is free anywhere on the planet.
We offer free shipping to any country on orders over £25 (with the exception of the USA as of July 2020 - see our website for details). For orders under the value of £25 there is a delivery charge of £4.60.
Respro® is a new product development company based in London, developing ideas and producing products for 'personal protection'. Our most well known products are the HUMP® range of backpack covers and the Respro® range of pollution masks. For information on the products we provide please visit our website.
Our masks are available in over 40 countries.
To find a Respro® supplier near you, please email: customerservices@respro.com
Respro® Masks are reusable
Do you have a question about our air pollution masks or didn't find the answer you were looking for?
Respro® Bulletin Board