The air-tubes do not clog and Airtop has no filters.
- The air-tubes are wide – they have a cross section of 15mm x 15mm.
- Air flows through the air-tubes upwards very slowly. It does not have the force to lift debris and hair and heavy particles into the air-tubes. The air-tubes have a clearance of 43mm from the ground.
- The surface of the air-tubes is smooth extruded aluminium. Dirt does not clog to it easily.