GVS Medium / Large Half Mask with Nuisance Odour Filters P3 - Screwfix
Michael A Osborne on X: "NB: the respirator depicted has an unfiltered exhalation valve, so provides limited to protection to others. I have never worn this one outside the house. I prefer
GVS SPR299 Elipse Mask with P3 Filters for Dust, S/M Bundle with GVS SPM001 Elipse P3 Dust Mask Carry Case (Belt Holder), One Size, Blue : Amazon.co.uk: DIY & Tools