Swimrite 17 Inch Filter Disc - New Style state_Montana This is a Hayward AQL2-BASE-RF

This is a Hayward AQL2-BASE-RF Wireless RF Antenna for Hayward Pro Logic and Aqua Plus Systems

This is a Taylor plastic calibrated test cell measuring 11

And pool thermometers are essential

Both are certified by IAPMO to ANSI/NSF 372

Swimrite 17 Inch Filter Disc - New Style state_Montana This is a Hayward AQL2-BASE-RFThis 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.