Sediment reduction
Captures sand, silt, rust and other suspended particles before they reach downstream equipment.
Pentek by Pentair
Sediment Cartridge
1, 5 and 25 µm
Pentek P Series Spun-Bonded Polypropylene Cartridges Gradient-density sediment filtration without taste or odour.
Pure 100% polypropylene spun-bonded cartridges with true gradient density, high dirt-holding capacity and nominal 1, 5 and 25 micron options for sediment pre-filtration.
Site assessment
Installation guidance
Genuine cartridge support
AMC planning
Key Benefits
What this system helps you achieve
Gradient-density loading
Larger particles are held toward the outside while finer particles are captured deeper in the cartridge.
Neutral water contact
Pure polypropylene construction is designed not to impart taste, odour or colour.
Chemical compatibility
Polypropylene media provides broad chemical resistance within the rated temperature range.
Application Fit
Is it suitable for your site?
Best for
- RO and membrane pre-filtration
- Residential and light-commercial sediment filtration
- Standard 2.5-inch-diameter cartridge housings
- Applications needing 1, 5 or 25 micron nominal filtration
Check before ordering
- Select the micron rating based on the sediment load and downstream equipment
- Match cartridge length to the installed housing: 10, 20, 30 or 40 inch
- Confirm acceptable pressure drop at the required flow
- Use within the housing pressure rating and 4.4–62.8°C temperature range
| Product Name | Pentek P Series Spun-Bonded Polypropylene Cartridges | Application | Sediment reduction and pre-filtration for residential and light-commercial water systems |
|---|---|
| Filter Media | 100% polypropylene fibre |
| Micron Ratings | Nominal 1 µm, 5 µm and 25 µm |
| Available Lengths | 4.88 inches, 9.88 inches, 20 inches, 30 inches and 40 inches depending on model |
| Outside Diameter | 2.38 inches / 60.5 mm |
| Flow and Pressure Drop | Model-dependent; typical initial pressure drop for 10-inch cartridges at 5 gpm: P1 0.6 psi, P5 0.2 psi and P25 0.2 psi |
| Operating Pressure | Use within the pressure rating of the installed housing and system design |
| Operating Temperature | 40–145°F / 4.4–62.8°C |
| Connections | Drop-in cartridge for compatible standard 2.5-inch housings |
| Certifications | P1, P5, P1-20 and P5-20 are certified to NSF/ANSI 42 for material requirements only |
| Capacity | Depends on micron rating, cartridge length, sediment loading and operating conditions |
Trust Signals
Backed by brand credibility, certification and local support
Pentek by Pentair filtration media
P Series cartridges are part of Pentair’s established replacement-cartridge range.
Selected models: NSF/ANSI 42 material
Certification applies to material requirements for the specific models listed in the product documentation.
Micron and housing fit review
The correct rating and length should be chosen for the water load and downstream equipment. .
Pressure-drop-based replacement
Replacement should be based on pressure drop, flow reduction, water quality and operating history.
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Why This Model
When P Series makes sense
A cost-effective sediment pre-filter where the goal is particulate removal without adding carbon treatment or changing water taste.
1
True gradient-density construction
Spun fibres distribute particle loading through the depth of the cartridge for improved dirt holding.
2
Multiple micron and length choices
Select 1, 5 or 25 micron ratings across several standard housing lengths.
3
Ideal as the first treatment stage
Use upstream of carbon cartridges, RO membranes or equipment that needs protection from sediment.
Process
From water check to
From water check to
ongoing support
Share the water condition
Sediment type, turbidity, source and current filter arrangement.
Select micron and length
Match the filtration rating and cartridge size to the housing and treatment objective.
Install and flush
Fit the cartridge in a compatible housing and follow the system start-up procedure.
Monitor and replace
Track pressure drop, flow reduction and visible sediment loading.
Customer Confidence
Built for commercial operations teams
Downstream protection
Sediment reduction helps protect carbon media, membranes and equipment.
Flexible fitment
Multiple micron and length options support different housing configurations.
Predictable maintenance
Pressure and flow monitoring provide clear replacement indicators.
Use the coarsest rating that adequately protects the next treatment stage. Heavy sediment may require staged filtration, while finer downstream protection may require 1 or 5 micron media.
No. P Series are polypropylene sediment cartridges. Use a suitable carbon cartridge when chlorine taste and odour reduction is required.
Confirm the housing accepts a 2.38-inch outside-diameter cartridge and select the correct nominal length.
.
Replace when pressure drop rises, flow falls, the cartridge reaches the site maintenance interval or sediment loading indicates exhaustion.
The listed models are certified to NSF/ANSI 42 for material requirements only, not for a specific contaminant-reduction capacity.
Not sure which P Series cartridge you need?
Share your housing size, water source, sediment condition and required flow. Aquainwent will help select the correct micron rating and length.
