Check product condition regularly. Replace if product shows any signs of damage. Do not store near any sharp objects. Only soft bristle brushes or soft sponges should be used to clean this product. Hard scourers may scratch the surface. Store product in a cool, dry place and avoid direct sunlight. This product is not a toy. Do not use this product for anything other than its intended use. Adult supervision required. Keep out of reach of children and pets when not in use. Detachable output valves pose a choking hazard. Do not force the tip far inside the nostril. Due to stainless steel components, do not place Tube Cleaning Brush in microwaves, sterilisers or boiling water.