Secondary Disk for Filter Queen Vacuums 1 disk per package Fits all Filter Queen vacuum models, replaces OEM part number 1404000600. This is the circular disc filter for the motor, white fiber filtartion material. Fits Filter Queen Models 31X, D31X, D33, RN92, PNG92, AN95X, Majestic, 75th Anniversary, Triple Crown, 360, Princess, etc