Precise Heat Element Low Pressure, Pressure Cooker The Precise Heat 12-Element Low-Pressure Pressure Cooker cooks food in half the time These low-pressure 9qt and 4qt pans can be used 2 ways: one can be turned into a low-pressure, pressure cooker with the addition of the pressure cooker cover and the welded, riveted handles locked into position Or, either pan can be used as a standard cooking pan by adding the "see-thru" glass cover and by not locking the handles What does low-pressure cooking mean? It is convenient and safe because you can open and close the cover any time to check what you are cooking or to add ingredients Limited lifetime warranty