Watts (A7007A) Media Gravel, 1/2” inch x 1/4” inch GRIT #4 Sensafe (480015) 5-Way 5in1 WaterWorks Test for Water Quality Testing Ion exchange resin removes dissolved

Ion exchange resin removes dissolved solids that carbon and sediment filters cannot touch

Unscrew the 20" Big Blue housing sump

verify electrical connections and system pressure ratings

Dual-action design also captures sediment down to 5 microns

Reliable composition for consistent

Watts (A7007A) Media Gravel, 1/2” inch x 1/4” inch GRIT #4 Sensafe (480015) 5-Way 5in1 WaterWorks Test for Water Quality Testing Ion exchange resin removes dissolvedWatts A7007A Filter Media Watts Media Gravel, 1 2" x 1 4" Precision graded support media for point of entry filtration systems. The foundation layer that prevents media migration and ensures even flow distribution. 1 2" x 1 4" Grade Base Support Layer POE Systems WHY IT WORKS The Foundation of Effective Filtration Precision Grading Each piece sized between 1 2" and 1 4" to create optimal void space for water distribution without allowing finer media