Excel Filters Spa Filters, XLS-759 Replacement Cartridge for Pac Fab MY-80, Also Replaces Pleatco PFAB80, Unicel C-7680, Filbur FC-1940 Unlike most competing filters, excel filters are made in the USA to ensure highest quality Proprietary point bond media for the industry's most efficient and effective filtration Easy to clean and long useful life Open flow core for optimal flow dynamics and less energy consumption during filtration process Durable, reinforced banding, and uniform pleats provides effective dirt loading and ease of cleaning