Leak-prevention: Sturdy copper, ABS body for extra durability and a reinforced double O-ring to prevent leaks. Gadgets: Get a rotatable universal water filter faucet. Rotate: The outlet can rotate 720 degrees. 2 switches: Two kinds of water outlet rotary switches. Soft water: Filter introduces air to the water stream to produce a larger and whiter stream that is soft to touch and non-splashing.