Smartmi Jya Fjord Air Purifier Filter

Jya Fjord Air Purifier Filter, 99.99% Filtration of 0.1?m Pollutants, Triple Layer Protection, Smart Filter, Recommended replacement for every 6 months.Jya NanoGuard™ Technology weaves ultra-thin organic fidre together to effectively filter 99.99% of pollutants as small as 0.1?m-the main compartment of smoke, dust, and bacteria, etc.Pre-filter - filter stop larger particles.NanoGuard™ - NanoGuard filter catches nano-level ones. Active carbon layer - locks down TVOC.Fjord filter automatically calculates & reminds you the replacement time of the filter. No more guessing of the filter’s condition, the filter knows itself well.