The kew nilfisk alto multi 20t is a multi functional vaccum that is designed for indoors or out doors wet or dry dust or rubble it can even be used to empty blocked sinks clean out gutters and empty rain gullies it comes with 3 great additional features as standard power tool take off push clean filter cleaning system and blow function it has a 20 litre plastic canister which has a dry capacity of 121 litre and a wet capacity of 115 litre and is supplied with a washable cartridge filter and fl