New Old Stock Nitro Helmet Anti-Fog Breath Guard — Part No. 107245 (N610-V) Genuine vintage Nitro helmet accessory anti-fog breath guard, supplied in its original sealed packaging. Designed to fit Nitro N610-V helmet models to deflect breath and prevent visor misting in cold or wet riding conditions. Condition: Brand new old stock (NOS) with minor storage wear to the header card; contents are factory-sealed and pristine.