As the unit provides its own power

Hose assembly: high-flex vacuum

sometimes referred to as a 'Calcheck'

Use after Anti-Allergen PreSpray as a final rinse to remove soil and detergent residue

water-based cleaner

SpeedClean Lance 45cm (18 Inch) Extension Turbo Force International As the unit provides itsCoilJet 18(45cm) Extension Lance Assembly offers extra reach for a superior coil cleaning experience with CoilJet. Extension lance helps clean around objects, in narrow spaces, and hard to reach areas inside coils. Description CoilJet 18(45cm) Extension Lance Assembly easily attaches to CoilJet Coil Cleaner for a superior coil cleaning experience. Chrome plated steel lance assembly stretches 18(45cm) for more space to clean those difficult to reach