Aquatec Mytee H349 Heat Sink Cover 5 inch Continuous Pump Use and Longer Life Cool Clip Why just half cover the pump? This is why we stock the longer 5" model for maximum protection. Both are designed to use on the standard 3" diameter motors for use on 115 volt, 12 volt, and 230 volt models. For use on 2088 Series motors. Heat-Sink Mounts to standard SHURflo, Aquatec, and FloJet motors to assist cooling in continuous-duty applications. Made from anodized aluminum. AKA Cook Clip, Multi-sprayer 50-075 Also Fits 2088-574-534 2088-514-145 2088-414-534, all Aquatec and Flojet pumps.