Spun PP Filters
Looking for a cost-effective solution for sediment removal? PP spun filter cartridges offer superior value, using graded polypropylene depth filtration to trap particles from 1–100 microns.
- Manufactured in Ambattur, Chennai
- Sized to your site and water
- Installation and service support
What Is a Spun Filter? Polypropylene Depth Filtration Explained
Melt-blown polypropylene fibers are layered from coarse to fine, forming a depth filtration matrix that captures contaminants throughout the entire wall—not just the surface.
Compared to pleated filters, spun filters offer up to 5x higher dirt-holding capacity.
Micron Ratings
1μm, 5μm, 10μm, 20μm, 50μm, 100μm
Max Operating Temp
82°C (180°F)
pH Range
1–13
Material
100% polypropylene, free of adhesives or binders
Technology Overview
Filtration Advantage
Core Specifications
PP Spun Filter Cartridge Applications & Benefits Across Industries
RO Pre-Filtration
Protects membranes from silt/sand—5–20μm ideal
Metalworking Coolants
Removes abrasive particles and machining swarf
Food & Beverage
Pre-bottling sediment filtration with food-grade certification
High Dirt Load
Up to 15g per 10” cartridge
Low Pressure Drop
<1.5 PSI at 5 GPM
Strong Chemical Resistance
Acids, alkalis, and solvents tolerated
Application
Key Benefits
Spun Filters for RO Systems: Maximize Membrane Life & Cut Costs
Role
Capture sand, rust, and turbidity before RO membranes (extends life by 40–60%).
Installation
Stage 2 filtration (after carbon block/sediment filters).
Optimal Microns:Well water: 20μm,Municipal water: 5μm
Cost Savings
$5–$15 cartridge prevents $200+ RO membrane damage.
PP Spun vs. Pleated: Which Is Right for You?
| Feature | PP Spun Filter | Pleated Filter |
|---|---|---|
| Dirt Capacity | High (depth loading) | Low (surface loading) |
| Price | $2–$10 | $10–$50 |
| Flow Rate | 2–20 GPM | 5–50 GPM |
| Best For | High-sediment feeds | Clarity-focused filtration |
Choosing the Right Spun Filter Cartridge: A Quick Guide
1
2
Micron Match
Use 5μm for silt, 20μm for rust, 50μm for large particulates
Filter Housing Compatibility
10", 20", 30"; O.D. 2.5"–4.5"
End Cap Types
Dual open, single open, double closed
Material
100% polypropylene, no resin binders
3
4
4
Installation & Maintenance Practices
Changeout Frequency
Every 3–6 months or at ΔP of 8–10 PSI
Sanitization
Replace rather than backwash—fibers are not reusable
Tips
Use filter wrench pads and inspect O-rings at each replacement
Real-World Industrial Use Cases
Agriculture
Prevents nozzle clogging in drip irrigation
Pharma
Pre-filters for ultrapure water systems
HVAC Systems
Removes debris from chiller loops
Automotive Paint Booths
Keeps intake filters free of overspray particulates
Choose with confidence
Choosing the right filter housings and spares
- Confirm the flow rate and working pressure of the line.
- Pick the cartridge length and diameter (10", 20", jumbo) the system uses.
- Choose PP housings for general water and SS for hot, high-pressure or hygienic duty.
- Check inlet and outlet thread sizes before ordering.
- Keep a set of spare cartridges and O-rings on site.
Shop
Filter Housings & Spares you can order online
Prices and stock shown in the shop. For bulk orders or help choosing, ask us.
How we work
From first message to running system
- 01
Tell us the need
Share your requirement, site details and any water report or photos.
- 02
We review and size
We ask the right questions and size the system for your site.
- 03
Clear quotation
You get a quote with scope, specification and timelines.
- 04
Build, install, support
We manufacture, install, commission and stay available for service.
Related solutions
More in Filter Housings & Spares
Questions, answered
FAQs about Spun PP Filters
Still unsure? Ask us directly or call +91 95000 55565.
What is a PP spun filter cartridge used for?
A PP spun filter cartridge is primarily used for removing sediment, dirt, rust, and particles from water and other industrial fluids. Common applications include RO pre-filtration, coolant systems, food & beverage processing, HVAC systems, and pharmaceutical water loops.
What micron rating should I use for a PP spun filter?
• 5 micron: Ideal for municipal water, capturing fine silt and sand.
• 20 micron: Best for well water or high-turbidity feeds.
• 1 micron or below: For sensitive equipment or ultra-fine filtration needs like pharmaceuticals.
Choosing the correct micron rating depends on your source water and the equipment you're protecting.
How often should I change my spun filter cartridge?
Replace every 3 to 6 months, or when the pressure drop (ΔP) exceeds 8–10 PSI. Industrial use cases may require more frequent changeouts depending on sediment load and flow rate.
Can PP spun filters be cleaned and reused?
No. PP spun filter cartridges are disposable and should not be backwashed or reused. Attempting to clean them can damage the fiber layers and reduce filtration performance.
Are PP spun filters safe for drinking water?
Yes.
How does a spun filter compare to a pleated filter?
Spun filters use depth filtration, capturing particles throughout the wall thickness, offering higher dirt-holding capacity and lower cost. Pleated filters use surface filtration, allowing higher flow rates but require more frequent replacements in high-sediment applications.
What sizes do PP spun cartridges come in?
Standard sizes include:
• Lengths: 10", 20", 30", and 40"
• Outer Diameter (OD): 2.5" (standard) or 4.5" (Big Blue)
• End Cap Styles: Dual open, single open, double closed
How much does a spun filter cartridge cost?
Prices range from $1.50 to $8 for 10” filters, and up to $15 for 20” Big Blue cartridges.
Do spun filters remove chlorine or taste/odor?
No. PP spun filters are mechanical sediment filters only. They do not remove chlorine, chemicals, or odors. For that, pair them with a carbon block filter as part of your filtration system.
Where can I buy high-quality PP spun filter cartridges?
You can purchase PP spun filter cartridges from industrial filtration suppliers, RO system vendors, or online marketplaces.
Start a conversation
Tell us what you need
Share a few details about Spun PP Filters and your site. We reply on working days with questions or a quote.
Talk to a person
Speak with the Greenly team
No call centre. Your message reaches the people who design and build the system.
- +91 95000 55565
- WhatsApp +91 95000 55565
- greenly@greenly.co.in
- 101, 102 & 103 Tass Industrial Estate, SIDCO Industrial Estate, Ambattur, Chennai 600058
Visits by appointment - Open 10:00 am – 5:30 pm