- Highly effective at treating scale, corrosion and iron (up to 1 ppm) problems for up to 6 months
- Food-grade hexametaphosphate crystals dissolve slowly in water to prevent lime, scale and rust build-up.
- All materials are FDA grade.
- Medium: Phosphate Crystals
- Recommended Flow Rate (GPM): up to 5
- Diameter: 2-5/8"
- Length: 9-3/4"
- Part# 155100-51