![Wilden Air Operated Pumps](http://pumpsandgearboxesdirect.com/cdn/shop/products/p-025-pro-flo-1-4-plastic-8073_wilden_9ee5d9a3-79b7-4f0c-804b-b27ec276c716.png?v=1694518121&width=1445)
Wilden's legendary Original Series pumps were designed for demanding utilitarian type applications that require a robust design. Original Series pumps ensure reliability without sacrificing ease of maintenance. Wilden's plastic Original Series lends itself to various processes and waste applications. Wilden also offers a multitude of elastomer options, including Teflon PTFE, to meet your abrasion, temperature, and chemical compatibility concerns.