Looking for Aluminum 1/4-inch air-operated diaphragm pumps from Wilden®? If portability and handling matter, aluminum gives you a lightweight metal option for many general transfer jobs. A quarter-inch port size is a nice fit when you want controlled transfer and easy integration into smaller lines and fittings. This combination pairs a Aluminum wetted path with a 1/4-inch connection size, two of the biggest factors when you’re choosing an AODD pump. Compare the available models below to find the best fit for your application. For the best long-term fit, compare construction options, diaphragm materials, and system requirements before you select a pump.