<p>HEPA Replacement Filter B for FLT4825 AC4825, AC4825E AC4825DLX AC4300BPTCA AC4850PT AC4900CA CDAP4500BCA CDAP4500WCA Bacterial Protection Air Purifier;</p> <p></p> <p></p> <p></p> <p>Model AC4300/AC4800/4900 Series Air Purifier - Filter B. (HEPA & Pre-Filter);</p> <p></p> <p></p> <p></p> <p>Compatible with the original GerGuardian FLT4825 filter; Easy to install;</p> <p></p> <p></p> <p></p> <p>Compatible with AC4300/AC4800/4900 series air purifiers;</p> <p></p> <p></p> <p></p> <p>HEPA filters can remove particles and dust in the air.</p> <p></p> <p></p> <p></p> <p>Air purifier model AC4300, AC4800, 4800, AC4825, AC4825E, AC4850PT, 4900, AC4900CA, CDAP450, replace filter B</p>