![Wilden Air Operated Pumps](http://pumpsandgearboxesdirect.com/cdn/shop/products/p4-pro-flo-1-5-aluminium_wilden_8d12b913-9394-4e17-b5a6-feefe8eba936.png?v=1694517460&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.