Kwik Kut room air conditioner filter. Foam air filter media pads cut-to-fit all room/window air conditioners. Trim-to-fit with household scissors. Traps bacteria, dust, odors, and pollen. Type: Trimmable Non-Electrostatic Material: Synthetic Actual Size: 15 In. x 24 In. x 1/4 In. Rating: MERV 4 Life of Product: 1 mo