4-pack of M50451 Master Deluxe hot tub filters. These spa filter cartridges replace PleatcoPLBS50, Filbur FC-2970 and Unicel C-5345 type spa filters in Canada. Used in QCA Spas and by other fine hot tub brands.
5 5/16″ diameter
10 1/8″ length
top center hole with 2 1/8″ inner diameter
bottom center hole with 2 1/8″ inner diameter
Size: 50 sq.ft.
This item is for a 4-pack of filters. These filters are also sold in single units. See M50451