FLT4825 Filter B compatible with guardian models AC4300BPTCA, AC4900CA, AC4825, AC4825DLX, AC4850PT, CDAP4500BCA, CDAP4500WCA, AC4820, compatible with Pure Guardian Model AP2200CA and compatible with Black+Decker BXAP148
Ideal flt4825 filter for you to replace
Easy to Install. Changing the 4825 filter every 4~6 months