Basic 14.5 Inch Filter Disc - Residential filter-length_20 3/4 inches this control is not intended

this control is not intended to be a substitute for insulation

and small aboveground pools

This o-ring is identical to: O-83

And the nylon male fitting is pressed onto the outside tube with a ton of pressure

This is a 5 pound container of pH Up

Basic 14.5 Inch Filter Disc - Residential filter-length_20 3/4 inches this control is not intendedThis is a 14. 5 inch filter disc made by Universal Filtration. The disc OEM style is designed for basic 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.