Product details:

These Shampoo/Soap Dispensers by simplehuman are available in double and triple configurations. Soap dispensers eliminate bottle clutter and keep shampoo and soap within easy reach. The ergonomic t-bar lever works with your natural grip so you can precisely control the amount of soap dispensed with just one hand. All of our dispensers are rustproof, corrosion-resistant, and are easy to install with silicone glue and adhesive strips (included). The twin dispenser measures 9 inch W x 3 3/4 inch D x 9 1/2 inch H and the triple dispenser measures 12 1/2 inch W x 3 3/4 inch D x 9 1/2 inch H.