The replacement HEPA filter for dry hands AirBlade Dyson is the original and replacement filter manufactured by Dyson. The filter is certified manufacturer for optimum service life of about 700,000 drying. Advantages: Original product Dyson Airblade Compatible with dry hands Dyson Materials: Felt and fiberglass antibacterial efficiency of 99.99% and a hygienic drying Compatible: AB01, AB03, AB06, AB14 Installation: Locate the maintenance hatch below the withered hand. Just then open it with the key provided in the original packaging of your Dyson product then simply remove the old filter and replace it with the new. Once done, close the service door.