I buy 3M Aura from Dental Sky. They are expensive but can be re-used for a few days and respirators are the only really reliable masks. If I am in a shop I wear this over the mask. Available from @redbubble
<div class="rsshub-quote">
ChristinaD WEAR AN FFP2 MASK AS COVID IS AIRBORNE: @KBADS06 @NChildersMEP @HSELive FFP2 masks are available @hiberniamedi they also have kids sizes @KBADS06
</div>
🐦🔗: https://n.respublicae.eu/NChildersMEP/status/1687508938235813901