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
12 Pack - 2 pcs 4825 filter + 10 pcs pre filter.
Changing the replenishment filter every 3~6 months
Replacement flt4825 B for AC4825, AC4825DLX, AC4850PT, CDAP4500BCA
