Watts-SF1-20 Watts String Wound Cartridge Standard 20" in K5520-BB; K5520-JJ Manufactured from 100% fused silica

Manufactured from 100% fused silica quartz

The reducing union allows you to step down from larger to smaller pipe sizes in any compatible material combination

Available in 13 micron ratings from 0

reduce by 75%

Watts-SF1-20 Watts String Wound Cartridge Standard 20" in K5520-BB; K5520-JJ Manufactured from 100% fused silicaWatts Premier Filtration Watts SF1 20 String Wound Sediment Cartridge Standard 20 inch polypropylene string wound filter for sediment removal in whole house and under counter applications. 1 micron rating, 2. 5 inch diameter. SEDIMENT 1 Micron 20" x 2. 5" Polypropylene WHY IT WORKS Wound Construction for Depth Filtration String Wound Design Polypropylene string wound in graduated density layers traps sediment progressively from surface to core,