A device for cleaning a toothbrush, attachable to a faucet expelling water in a first direction, the device including: an adapter mountable on a water expelling end of the faucet and a cylindrical cleaning element in fluid flow communication with the adapter and disposed, when the adapter is mounted on the faucet, in a direction transverse to the first direction, the cylindrical cleaning element including a cylindrical housing and a water expelling cylindrical element, disposed within the cylindrical housing and including multiple rows of circumferentially disposed nozzles for expelling water jets, the water expelling cylindrical element defining an interior space accessible via circular portal at an end thereof, wherein when water is expelled from the faucet, at least some water is directed in the transverse direction and expelled through the nozzles in the water expelling cylindrical element.