Lifegard AF-92 Heater Modules，Single Capacity</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Single Capacity for Aquariums up to 100-gallons</li><li>It accepts 1-inch or 3/4-inch diameter aquarium heater; (Aquarium heater element is not included with module)</li><li>Overflow pipe automatically vents air from chamber for safe operation</li><li>Inlet Port 1-1/4-inch Slip/3/4-inch FPT; Outlet Port 1-inch Slip/3/4-inch FPT; Port size dimensions listed are pipe size; SLIP equal to PVC solvent socket type fittings</li><li>All Lifegard Mechanical， Chemical， Heater， and UV Sterilizers include 3/4-inch threaded reducing bushings if threaded installation is desired</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/317rePJB9IL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31fDyRReMeL.jpg' noproxy></br>