Hello Klean Shower Head 2.0Includes: 1 x refillable casing, 2 x cartridgesHow to install: remove the old shower head. Attach the Hello Klean Shower Head to the hose. Run the water for 30 secondsBenefits:KDF 55: reduces copper, iron, lead, arsenic, aluminium, mercury and moreAmino Acid Granules: reduces damaging metals to protect hair and skin. Keeps natural oils intact while neutralising harmful elementsActivated Carbon: traps contaminants and eliminates odours in your showerRefillable designCompatible with handheld showersFor hygiene reasons, we are unable to exchange or refund this product, unless faulty.