Nautilus NSP72 Filter Grid - 72 Square Feet - 36 Inches monitors_pH ORP Salt/TDS This Strantrol pH compatible probe

This Strantrol pH compatible probe is a replacement for the Strantrol original pH probes with part number W2T4675

This Guard With Cross Sign measures 18 x 03 inches

5 inch rails

The EasyFit pumps feature a lock ring that incorporates handles which provide you a convenient way to easily remove the lid

This is a 50 pound bucket of E-Z Patch 4

Nautilus NSP72 Filter Grid - 72 Square Feet - 36 Inches monitors_pH ORP Salt/TDS This Strantrol pH compatible probeThis is a Pentair Small Filter Grid Assembly, 72 square feet and 36 inches in height. This filter grid is designed for the Nautilus and Nautilus Plus pool and spa D. E. Filters. One is required. Pentair filter 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 specifically for this model and manufacturer.