Swimrite 17 Inch Filter Disc - New Style Spectrum Starting Block Color/Setback Distance Its rugged composite construction is

Its rugged composite construction is lightweight for easy handling and corrosion-resistance

This Danger Spa Closed Strong Chemicals In Use aluminum sign measures 12 x 18 inches

This round cover is 9-3/16 inches in diameter

No other solutions in this kit require sealed caps

Swimrite 17 Inch Filter Disc - New Style Spectrum Starting Block Color/Setback Distance Its rugged composite construction isThis is a 17 inch filter disc made by Universal Filtration. The disc OEM style is designed for Swimrite (new style) DE filters. A spacer is required (not included). Universal Filtration discs are injection molded from 100% virgin, high impact styrene. They are then covered with multi filament, polypropylene fabric the industry standard for over 30 years.