Basic 19 Inch Filter Disc - Residential test-kit-type_OTO It is designed to maintain

It is designed to maintain precise water levels for commercial and residential swimming pools

This is a Maytronicss Complete Active Brush Assembly

This Safety First First Aid Station With Graphic aluminum sign measures 10 x 14 inches

This ceramic pool depth marker is printed with 8 1/2 FT and has a smooth surface

Basic 19 Inch Filter Disc - Residential test-kit-type_OTO It is designed to maintainThis is a 19 inch filter disc made by Universal Filtration. The disc OEM style is designed for basic residential 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.