This product is a pack of 2 water filters compatible with Lennox Healthy Climate #10 X2660, designed to fit WB2-12. The filters have dimensions of 11.14 x 10.28 x 3.94 inches and weigh 8.2 ounces. They do not require batteries for operation and are not discontinued. The item model number is 884667805081814, and it is sold as a single pack. Perfect for maintaining indoor air quality and improving the efficiency of heating, cooling, and air systems in residential settings.