Buff Filter Mask in Solid Black  The new unisex buff face mask is ideal for all your daily activities and sporting exercises. This is an approved standard surgical mask which filters out 98% of bacteria it comes with 5 replacement filters included with the mask. With a CoolNet fabric this mask is easier to breath in. The HeiQ V-Block antimicrobial fabric used inside the mask, prevents the built up of bacteria and reduces odour. Adjustable elasticated strap wrap around the back of the head and neck is there to improve the fit whilst taking pressure off of your ears. Being a reusable face mask is better for the environment!