Marineland PR1550 4-Pack Aquarium Inlet/Outlet O-Ring Replacement for HOT Magnum Power Filter Model PC250</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>O-ring is replacement part for Marineland power filters</li><li>Fits for the inlet and outlet of Hang On Tank Magnum PC250 power filter</li><li>Features with high quality components</li><li>It will only use when current ring is succumbs to wear and tear</li><li>Includes 4 rings per pack</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/31I0hCX9fbL.jpg' noproxy></br>