I haven't used it for even a month. I've used it for about 2-3 weeks. Thank you for your consideration. ReFa shower head with a streamlined design, allowing for water flow adjustment with its perforated head. - Brand: ReFa - Included items: Instruction manual, adapter - Design: Streamlined handle - Head shape: Circular, perforated design - Materials: Metal and plastic ※Everything in the photos is included. Nothing else is. Thank you for viewing.