Generic Full Filter Grid Element for Nautilus/FNS and MicroClear Filters - 48 Square Feet filter-length_18 7/16 inches This replacement Rainbow vacuum head

This replacement Rainbow vacuum head wheel #175 is made of long wearing polyurethane with Delrin inner race and stainless steel balls

resilient seal

chrome plated bezel

irregularly shaped joints

This ceramic pool depth marker is printed with 1 Offset and has a smooth surface

Generic Full Filter Grid Element for Nautilus/FNS and MicroClear Filters - 48 Square Feet filter-length_18 7/16 inches This replacement Rainbow vacuum headThis is a Generic Full Filter Grid Element replacement for 48 square foot FNS Nautilus and ProGrid MicroClear D. E. filter grid elements. This is a full grid assembly measuring 24 inches. This filter element is used in the ProGrid DE4820, MicroClear DE4800, and MicroClear DE 480S Stainless Steel filters. It is also used in Pentair FNS48 Pool and Spa D. E. Filters, Nautilus NS48 and Nautilus Plus NSP48 Pool and Spa D. E. Filters. Also fits Zodiac DEV48