Filter Queen Vacuum Cleaner MicroPlus Cones, 48 Pack by Green Klean. Fits all Filter Queen vacuum canisters, including Princess and Majestic models. These are high-quality filter cones made by Green Klean. Allergy Shield Cone Traps Particles 99% Allergen Filtration Cones made from 100% Biodegradable materials 48 Primary Pre-Filter Cones 2 Motor Guards (Flat Disc Filters)