The KASCO Prof 88 Dust Helmet includes everything you need for protection against dust, mist, mold and fumes. NOTE: This helmet will accept the ZA2P3 pesticide filters (sold separately). When fitted with these pesticide (organic vapor) filters, this product is not NIOSH approved and therefore would not be approved for respiratory protection from pesticides requiring organic vapor protection. WARNING: Do not use KASCO helmets with fumigants unless allowed by fumigant's label. Do not use KASCO helmets in manure pits, silos or any atmosphere where oxygen may be less than 19.5%. System includes: Tough, fiberglass helmet with two built-in blowers, Batteries, Battery charger, Two high-efficiency (HEPA) dust/mist filters. This system operates off your tractor's 12V battery/power source (requires Item No.126005 power cord) or have complete mobility by operating the helmet using the built-in battery. NIOSH Approval No. TC-21C-633. KASCO Prof 88 Dust Helmet