Why Siliphos？
Siliphos is a water treatment compound, Polyphosphate, which originates from the milk thistle seed.
Siliphos prevent ‘brown’ or ‘red’ water; eliminates hardness scaling.
It also stops corrosion of plumbing and bathroom fixtures.
All components used in Siliphos are pure food-grade materials.
Siliphos are colorless, tasteless, and odorless in the concentrations recommended for treatment.
Siliphos form a thin protective layer on the inside of pipes.
High-quality Materials
WSP Series utilizes 316L food-grade stainless steel and has passed the explosion-proof test over 500 psi pressure and the water hammer test over 100,000 times.
Prolong Service Lives of Your Appliances
WSP Series is your reliable choice of pre-filters. It protects and extends the life of your standard filters by removing the large dirt, sand, and rust particles before they reach the rest of your plumbing system, including water softeners, water filtration, and expensive appliances.
Easy Installation and Maintenance
The WSP series is flushable and reusable. It is recommended to flush it regularly (daily or weekly), depending on the water usage, sediment amount, and the hardness level. However, as hardness tends to form a hard scale that clogs the screen, simple flushes may not be sufficient. When necessary, remove the stainless steel cartridge and clean it with a brush, and/or soak it in vinegar.
Choose the Appropriate Microns of Filters for Your House
Filtration Guideline
The WSP spin-down sediment filter comes with a variety of options in micron size.
Smaller microns allow less through, but to get most life and efficiency out of your filters it’s important to only go as small as you need. Differences in water quality and your water pressure affect the performance of the WSP.
Please avoid the mistake of using 'fine' filters for 'rough' water and causing the f
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Item# : SPM9275617229
Model # : WSP-50SL
