Supreme (Danner) ASP14555 Diaphragm Replacement Kit for AP-60 Aquarium Air Pump<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Supreme diaphragm replacement kit is designed to fit aquarium air pump model AP-60</li><li>Diaphragm edge wall must be inserted in to the diaphragm retainer with the proper side facing into the groove in the retainer</li><li>The deeper side of the diaphragm will always face into the retainer groove</li><li>This kit includes diaphragms， flapper valves， plastic slip washers and bottom pressure chamber gasket</li><li>Some models also include rubber plug sets to seal the flapper valve housing</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41SVPG8V-IL.jpg" noproxy>