[. . . ] if handled properlyandaccordingtotheinstructionsinthisusermanual , theapplianceissafetousebasedon scientific evidence available today. Preparing for use Connectingaccessories hose 1 To connect the hose to the appliance, push it into the appliance and turn it clockwise (Fig. [. . . ] Preparing for use Connectingaccessories hose 1 To connect the hose to the appliance, push it into the appliance and turn it clockwise (Fig. 2 To disconnect the hose from the appliance, turn it anticlockwise and pull it out of the appliance. Tube Conical coupling (specific types only) 1 To connect the tube to the handgrip of the hose, insert the narrow section into the wider section while turning a little (Fig. 2 To disconnect the tube from the handgrip, pull while turning a little. Button coupling (specific types only) 1 To connect the tube to the handgrip, press the spring-loaded lock button on the handgrip (1) and insert the handgrip into the tube (2). Firsthookthebottomedgeofthegrilleintothe appliance (1) and then push the grille towards the appliance (2) until it snaps home. super Clean Air HEPA Filter (specific types only) InsteadoftheSuperCleanAirFilter , sometypesareequippedwiththespecialSuperCleanAir HEPA Filter. This filter not only removes household dust, but also harmful microscopic vermin. MakesurethatthePhilipslogoonthefilterisvisible in the bottom right-hand corner (Fig. Obtaining replacement items If you have any difficulties obtaining dustbags or filters for this appliance, please contact the Philips Customer Care Centre in your country or consult the worldwide guarantee leaflet. [. . . ] MakesurethatthePhilipslogoonthefilterisvisible in the bottom right-hand corner (Fig. Obtaining replacement items If you have any difficulties obtaining dustbags or filters for this appliance, please contact the Philips Customer Care Centre in your country or consult the worldwide guarantee leaflet. [. . . ]