Premier 23-781 Compatible Filter Grid 24 Square Feet - 13-1/2 Inches - Single Notch Collar Spectrum Fusion Starting Block Setback Distance The collar is adjustable for

The collar is adjustable for plaster and concrete

This is a Pentair Tank O-Ring replacement for Nautilus Pool Filters

The Hammerhead cart wheel is a standard BMX bike-style wheel and will hold the 20 inch blue tire and inner tube

making it easy to clean larger pools without frequent repositioning

This is a 50 pound bag of pH Increaser which will slowly raise the pH levels in your swimming pool water

Premier 23-781 Compatible Filter Grid 24 Square Feet - 13-1/2 Inches - Single Notch Collar Spectrum Fusion Starting Block Setback Distance The collar is adjustable forThis is a Premier 23 781 compatible D. E. filter grid measuring 13. 5 inches in length. It has a single notch collar and is covered with a white adapter. This is a replacement filter grid for Premier Springwater 23 781. Our generic OEM grids are injection molded from 100% virgin, high impact styrene then covered with multi filament polypropylene fabric. Each grid has been engineered with subtle design improvements over OEM units.