GENRATION 4: Improved Over the ear loops to prevent mask from sliding down faces of people who dont have chubby faces. Improved Nose clip with METAL inlay to conform to noses better.

Dual Valve Technology
Airflow vent expels condensation / moisture, keeping the mask interior dry. Each Valve facilitates easy breathing outwards by optimizing airflow. An easy twist seal locks the inner filter in place and blocks unfiltered air.

Mesh Construction
Mesh is a comfortable material perfect for the low profile design that fits under goggles and helmets. The breathable material allows air flow and prevents heat from building up. Abrasion-resistant fabric combined with the high durability extends the lifetime of the product and protects it’s user.

Filters
The Filters can remove up to 95% of dust and particulates from the air. Protection extends to hundreds of uses where light protection can greatly reduce potential lung damage.

This filter material you can hand wash a few times and let it air dry, but you would expect efficiency to drop.

CERTIFIED: EN149:2001 +A1:2009

Please don't compare this with those cheap dunno make of what unknown recycled material no certification filters. This Filter is of Highest Quality material with Compliance Certification: EN149:2001 +A1:2009 (CE Directive: R2016/425 Personal Protective Equipment), ECM Safty Compliance Mark Italy.

Already Comes with an Additional Spare Filter

If you need More do refer to this: LINK

Black Stealth - N95 Filter Mask with Dual Valve (Extra Filter)V4