TOP BENEFITS OF REPLACING YOUR AIR FILTERS LONG LASTING RELIABILITY BETTER AIR QUALITY EASY TO INSTALL MAXIMUM DURABILITY HEALTHIER LIVING CARBON FILTERS FIT THE FOLLOWING AIR PURIFIERS HAMILTON BEACH 04521, 04271, 04383, 04530, 04531, 04532 HOLMES HAP201, HAPF200 HONEYWELL PLUG & CLEAN 16180 COMPARE TO HAMILTON BEACH PART NOS. 04294G, 04290, 04230G, 04290G, 04230FS, 04291G, 04234G These Hamilton Beach filters are designed to get your air clean again. If you're an allergy sufferer, replacing your filters for everything in your house is a necessity! These are sure to help keep your home's air clean AND help improve your breathing. The days of dirty air coming from your air purifiers are over! We made sure to create the best air filter we could by making sure it is very simple to use and of course we wanted to make sure it is extremely durable. Air filters can be a pain when you remember to replace them so we made sure we did our best to make the experience easier for you. You may notice cleaner air in your home. You may also notice sore cheeks from constantly smiling about your purchase! This is a generic product designed and engineered in the United States by Think Crucial. This is not a Hamilton Beach OEM product and is not covered under any Hamilton Beach manufacturer's warranty. The Hamilton Beach brand names and logos are the registered trademarks of their respective owners. Any use of the Hamilton Beach brand name or model designation for this product is made solely for purposes of demonstrating compatibility.