![Wilden Air Operated Pumps](http://pumpsandgearboxesdirect.com/cdn/shop/products/p4-pro-flo-1-5-ssteel_wilden_pump_6965da5a-6c0c-489d-ba4f-a3a35cbf3f24.png?v=1694517374&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.