In-Line Detergent Applicator, 160 ml capacity. 3 way valve. Will supply water on its own or soap water mix and has a switch off position as well. Suitable for the Poseidon Window Cleaner or Titan R1 Conservatory Cleaner. Easily connected to either systems and garden hose by using female hose lock type connectors as dispenser has male ends. We have the squeegee off super concentrate soap available in 500ml bottles ideal to fill this dispenser.