Check the listing for details. Sta-Med Electronic Air Cleaner Replacement Pads | 4 Changes - 20x25. Condition: New. Listed at 73.50 USD. Upgrade to hypoalergenic Polywood pads - better than fiberglass. These 20x25 Filter Size – Pad size 18.5x22.5 Sta-Med replacement pads fit any 1” electronic air cleaner, with a center charging screen and a model designation of Cimatec Airscreen 1000, Amana A1EAC, Goodman G1EAC, Totaline Star Series CG1000, Respicaire or ESSA. When used in these filters, the pads effortlessly trap airborne particles smaller than .03 microns in size. The pads also have very low pressure drop, which means they SAVE MONEY in furnace operating costs. Save $5.00 by ordering 4 sets for the Sta-Med Air Cleaner. SM1625 SM1620 1. High-Quality Replacement Pads: Ensure optimal performance and longevity for your Sta-Med Electronic Air Cleaner with our meticulously formulated replacement pads. 2.