Cellular Factory offers this Blue Air Blower for $3.99. With free shipping via coupon code "1XIRPT", that's tied with our August mention and $1 under the lowest total price we could find for a similar item now. This air bladder features an anti-static rubber body that is dust-resistant and useful for cleaning image sensors, ports, or other small crevaces. Deal ends November 27 at 1:59 pm ET.