Range of ¼” AODD Pumps fitted with the Looped C® Air Spool, Ekonol® Seal Rings & independent Pilot Valves for increased performance, reliability & extended life cycle. PTFE Diaphragms & Flat type Check Valves. Compact size, drop-in dimensions & footprint. Fully bolted body, heavy-duty construction & sturdy PPG base. 100% oil or grease lubrication free, offering clean, emissions free, environmentally friendly operation. Easily maintainable with fully modular replaceable wear parts, outside accessible Air Spool & manual Spool Reset Switch.