Carrier air purifier cartridge filters used with Infinity style cabinets. This style filter cartridge can be branded as Carrier or Bryant and the part number will begin with GAPCCCAR or GAPBBCAR depending on the brand used at the factory during the manufacturing process. Both filters are the same. The GAPCCCAR style is branded as Carrier and the GAPBBCAR style is branded as Bryant. Bryant is a division of Carrier Corp.