Double click on above image to view full picture More Views FREKA AIR FILTER 95 1 SET(4PCS) (ONE SIZE) FREKA Filter provides protection from airborne pollutants and microbes, especially PM0.3-PM2.5 particles, dust, and pollen. *Applicable to FLOW 2 & FACEWEAR (Not for HUG MASK) *2pcs of Filter in 1set (MADE IN KOREA) SKU: FRK-FLT-2-19 Availability: In stock HK$260.00 Qty: Add to Cart Email to a Friend Add to Wishlist | Add to Compare Product Description Product Tags Product Description Details Over 95% filtration efficiency. Product Tags Add Your Tags: Add Tags Use spaces to separate tags. Use single quotes (') for phrases. CMS tab