Home ยป KN95 Respirator Flash Sale KN95 Respirator Flash Sale ServicesSuppliesShops Buy It Now SHOW CODE Buy It Now SHOW CODE Save an extra 5% on already discounted KN95 respirators. KN95 respirators are FDA and CE Certified and has been recommended by the CDC as an alternative to regular N95 respirators. Coupon valid 9/4/2020 – 9/11/2020.