Filter Queen Vacuum MicroPlus Cones 12 Pack by Green Klean Filter Queen Vacuum Cleaner Cone Filters. Fits all Filter Queen vacuum canisters including Princess and Majestic models. These are a good quality filter cone made by Green Klean. Allergy Shield Cone Traps Particles 99% Allergen Filtration Cones made from 100% Biodegradable materials 12 Primary Pre-Filter Cones 2 Motor Guards (Flat Disc Filters)