The Pentek 555471-43 is the correct replacement water filter cartridge for the following housings:
The Pentek GDA-7505-BB Absolute Gradient Cartridge is a replacement drinking water filter cartridge for use with 10 inch Big Blue water filter housings. This GDA series water filter features two clearly visible gradient layers that ensure higher efficiency and improved filtration performance, and has three times the dirt-holding capacity of similar water filters. This Pentek water filter features 100% polypropylene construction, as well as a polypropylene inner support core, for durability and extra strength. With its 75 micron rating the Pentek 555471-43 acts as a prefilter for the reduction of sediment and other particles.
Pentek GDA-7505-BB Absolute Gradient Cartridge specifications: