One Extended Life Bacteria Filter -No matter the brand or type of machine you own, disposable and washable filters are a fundamental part of your equipment. Providing cleaner and fresher air flow, CPAP filters are an essential component for your CPAP therapy due to their ability to remove irritating dust, pollen, and tobacco smoke particles from your CPAP.Remember to take the necessary steps to keep your air clean and replace filters every month (30 days). If the product is reusable, be sure to clean them thoroughly and properly, replacing them when needed, damaged or discoloration occurs. Various filters have longer lifespans and may be only compatible with certain brands. For specific filter details, please call us.Compatable with the following: -Covidien - NPB 590 & 592A, -DeVilbiss Solaris V, 505DS, 515DS-Nidek Nuvo OEM# 9250-1028-Sequal Integra OEM# 2033*
