Watts SF5-978 – 5 Micron String Wound Sediment Filter Cartridge | 25-Pack
Original price was: $250.00.$176.00Current price is: $176.00.
SF5 String Wound Sediment Filter – 5 Micron – 10” Polypropylene Cartridge
The SF5 string wound sediment filter removes dirt, rust, sand, and suspended solids in industrial and potable water systems. Its polypropylene media provides strong chemical resistance and meets FDA standards for food-grade applications.
Designed for under-counter and whole-house systems, this 5-micron filter delivers consistent filtration while protecting pumps, valves, and membranes. The string wound construction offers high dirt-holding capacity and longer service life.
Each cartridge is sealed for cleanliness, and optional stainless steel cores are available for higher temperature use. A reliable, cost-effective solution for everyday pre-filtration.
Technical Specifications
| Specification | Details |
|---|---|
| Product Type | String Wound Sediment Filter Cartridge |
| Model | SF5 |
| Filtration Rating | 5 Micron (Nominal) |
| Length | 10 inches |
| Outer Diameter | 2.5 inches |
| Media | Polypropylene |
| Core Options | Standard or Stainless Steel (for high temperature) |
| Compliance | FDA-approved materials for potable water |
| Packaging | Individually sealed poly bags |
| Filtration Type | Depth filtration (string wound) |
SF5 String Wound Sediment Filter – 5 Micron – 10” Polypropylene Cartridge
The SF5 string wound sediment filter removes dirt, rust, sand, and suspended solids in commercial and industrial water systems. This 5-micron, 10-inch cartridge provides reliable pre-filtration and protects downstream equipment.
Reliable 5-Micron Sediment Filtration
The SF5 filter captures fine particles before they reach pumps, valves, and membranes. This helps prevent damage and reduces system wear.
Its polypropylene string wound design offers strong chemical resistance. It also meets FDA requirements for potable water and food-grade use. As a result, systems stay cleaner and run more efficiently.
Durable Design & Easy Installation
The filter has a standard 2.5” diameter. It fits most under-counter and whole-house filter housings.
Its depth filtration design holds more dirt than surface filters. This extends service life and reduces maintenance. In addition, each filter is sealed in a poly bag to keep it clean until use.
Why Choose the SF5 String Wound Sediment Filter?
The polypropylene media resists many common water treatment chemicals. It does not release contaminants into the system.
The string wound structure captures particles throughout the cartridge, not just on the surface. This improves filtration performance and efficiency.
The filter is also a cost-effective option. It works well for routine replacement programs and helps control operating costs.
Designed for Water Treatment Applications
The SF5 sediment filter works across many systems and industries. It provides consistent performance in daily operation.
Typical applications include:
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Pre-filtration for chemical dosing systems
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Cooling tower and boiler filtration
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Potable water and food & beverage systems
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Industrial process water treatment
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Whole-house and point-of-entry filtration
Overall, the SF5 filter delivers reliable and cost-effective sediment removal. It helps maintain water quality and protect equipment.
Specifications and Use Cases of SF5 String Wound Sediment Filter – 5 Micron – 10”
The SF5 string wound sediment filter is a depth filtration cartridge designed for effective removal of dirt, rust, sand, and suspended solids in water treatment systems. It uses a polypropylene string wound construction that provides excellent chemical resistance and meets FDA requirements for potable water and food-grade applications.
With a nominal filtration rating of 5 microns, a standard 10-inch length, and a 2.5-inch outer diameter, this cartridge fits most standard filter housings used in residential, commercial, and industrial systems. Its depth filtration design allows particles to be captured throughout the entire filter, increasing dirt-holding capacity and extending service life.
In addition, the filter is individually packaged for cleanliness and is available with optional stainless steel core tubes for higher temperature applications. This design ensures reliable performance in both standard and more demanding operating conditions.
Use Cases & Industry Applications
Pre-Filtration for Water Treatment Systems
Removes suspended solids before water reaches pumps, membranes, and chemical dosing equipment, helping protect system components and improve overall efficiency.
Cooling Tower & Boiler Filtration
Reduces particulate buildup in recirculating water systems, supporting better heat transfer and minimizing fouling in cooling towers and boiler systems.
Potable Water & Food & Beverage Applications
Suitable for drinking water systems and food-grade processes due to FDA-compliant materials and no leachable contaminants.
Industrial Process Water Filtration
Provides reliable sediment removal in manufacturing and process water systems where consistent water quality is required.
Whole-House & Point-of-Entry Filtration
Ideal for residential and light commercial systems requiring cost-effective sediment filtration and equipment protection.
No replacement parts listed for this item yet.
FAQs
1. What is the filtration rating of the SF5 string wound sediment filter?
It has a nominal filtration rating of 5 microns, designed to remove fine particles such as dirt, rust, and sand.
2. What size is the SF5 sediment filter cartridge?
The cartridge is 10 inches long with a standard 2.5-inch outer diameter, fitting most standard filter housings.
3. What material is used in the SF5 filter?
It is made of polypropylene media, which provides strong chemical resistance and safe use in potable water systems.
4. Is the SF5 filter suitable for drinking water applications?
Yes. It meets FDA requirements for food-grade materials and does not release contaminants into the water.
5. What type of filtration does this cartridge use?
It uses depth filtration with a string wound design, capturing particles throughout the entire filter for higher dirt-holding capacity.
6. What are typical applications for the SF5 sediment filter?
It is used in pre-filtration systems, cooling towers, boiler systems, potable water treatment, and industrial process water applications.
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