The sieve sleeve filters particles out of the drink when it is sucked in • The penetration of solid particles into the pump of the instantaneous water heater is prevented • The pumps are protected from damage and the service life of the devices is extended • A sieve sleeve is required for each beverage line • The sieve sleeve is simply attached to each suction pipe attached • Scope of delivery: perforated sleeve, hose clamp, 2 sealing rings (1x replacement)