This is an original equipment Master Spas H2X Swim Spa Eco Pur Filter Cartridge (also known as "PWW50P3-EP1"). The cartridge contains sanitizing minerals and has a charcoal colored fabric. The top of the filter is embossed with "PWW50".
Part # X268045 Specifications:
||Swim Spa Eco Pur Filter
Replacement parts from the manufacturer guarantee an exact fit and match, and are the best quality replacements available.