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iSpring WSP 50-Micron Spin-Down Sediment Prefilter

Price TierPlan $50–$100; choose the 50-micron screen

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★Source-checked product profile

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iSpring product profileEvidence checked October 17, 2026

iSpring WSP 50-Micron Spin-Down Sediment Prefilter

Reusable coarse screen for sand and rust before finer filtration.

Own this filter? Save to My Water

Purchase RangePlan $50–$100; choose the 50-micron screen

Est. Annual Filter CostCleaning and screen replacement vary with sediment load

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Buying Decision Summary

The WSP offers a reusable 50-micron screen for coarse sediment. Select that screen on the retailer page; other screen sizes and automatic-flush models are different configurations. A coarse screen does not treat fine clay, dissolved iron, hardness, chemicals, or bacteria. Heavy sediment can require a coarser screen ahead of finer treatment.

🔬Documented Performance & Buying Metrics

PFAS / PFOANo PFAS claim

Lead & Heavy MetalsDoes not treat dissolved lead

TDS ReductionDoes not reduce dissolved salts

Dispensing Flow RateConfirm loaded-screen pressure loss at household peak demand

Pump / SoundNo motor

Documented Treatment Targets (1 Target Contaminants)

✓Sediment, Rust, Sand & Turbidity

📖In-Depth Buying Analysis

What the documents establish

The WSP offers a reusable 50-micron screen for coarse sediment. Select that screen on the retailer page; other screen sizes and automatic-flush models are different configurations.

The buying tradeoff

Flushable stainless-steel screen Clear housing helps show sediment buildup Threaded connections for main-line installation A coarse screen does not treat fine clay, dissolved iron, hardness, chemicals, or bacteria. Heavy sediment can require a coarser screen ahead of finer treatment.

What this product does not replace

Does not remove dissolved chemicals or germs Fine screens may clog quickly in heavy sediment; flushing is manual

Sources for This Exact Model

iSpring WSP model and screen selectionmanufacturer · checked 2026-10-17

⚙️Technical Specifications & Dimensions

Core Filtration Specs

Exact product / variantiSpring WSP 50-Micron Spin-Down Sediment Prefilter

Product listingiSpring product page

Treatment categorywhole house cartridge

Certification recordNo finished-system certification claimed

Evidence checked2026-10-17

Physical Dimensions (HxWxD)9 in x 3.5 in x 3.5 in

Unit Weight5 lb listed

Plumbing & Installation Requirements

Feed Water Pressure15–115 psi; indoor cold-water use

Electrical PowerNone

Cold Water Supply FittingConfirm fitting in current manual

Waste Drain ConnectionRoute manual flush discharge to a suitable drain or container

Renter Safe Installation?Homeowner / Semi-Permanent

🔄Stage-by-Stage Filter Schedule & Replacement Upkeep

5-Year Est: Not stated without usage and source-water assumptions

Stage	Cartridge Name	Media Type	Target Contaminants	Replacement Interval	Est. Cost
Stage 1	Reusable screen	50-micron stainless steel	Coarse sediment	Flush as loading requires; inspect and replace worn screens	Check current screen price

✓Who Should Buy This System

✔Homes with visible sand or rust that need coarse pretreatment before fine cartridges.
✔Flushable stainless-steel screen
✔Clear housing helps show sediment buildup

✕Who Should Skip It (Consider Alternatives)

✖Does not remove dissolved chemicals or germs
✖Fine screens may clog quickly in heavy sediment; flushing is manual

The Best Water Filters for Sediment and TurbidityCompare particle size, flow, pressure loss, service work, and the boundary between sediment control and source repair.

❓Frequently Asked Questions About iSpring WSP 50-Micron Spin-Down Sediment Prefilter

Is the 50-micron WSP enough for all the sediment in my well?

It catches coarse sand and rust, not every fine particle. Fine clay may pass through. Use it as a first stage, then choose finer treatment from your water test.

Sources: Model specifications

Should I choose the 50-micron screen or a coarser WSP screen?

The finer screen catches smaller particles but can clog faster. For heavy sand, ask iSpring whether a coarser screen should come first. Select the screen size at checkout.

Sources: Model specifications

Do I replace a cartridge every time the WSP gets dirty?

No. The screen is designed to be flushed and reused. Clean and inspect it as directed, and replace a damaged or worn screen rather than treating it as permanent.

Sources: Model specifications

Does the basic WSP flush itself?

No. This is the manual-flush WSP, not an automatic-flush model. Leave room to open the flush valve and collect or drain the dirty water.

Sources: Model specifications

Will a WSP fix iron stains or hard-water scale?

Not dissolved iron or hardness. It can catch particles already in the water. Dissolved iron and hardness need different treatment, so test before adding more equipment.

Sources: Model specifications

Why buy a WSP before a WGB32B?

The WSP can catch coarse debris before it reaches finer cartridges. WGB32B adds sediment and carbon treatment. The two do different jobs; a WSP does not replace carbon filtration.

Sources: Model specifications

⚔️How It Compares to Closest Alternatives

Alternative OptioniSpring WGB32B 3-Stage Whole-House Filter

iSpring WSP 50-Micron Spin-Down Sediment Prefilter Advantage: Reusable coarse pretreatment; WGB32B adds fine sediment and carbon cartridges.

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Check the current iSpring WSP 50-Micron Spin-Down Sediment Prefilter listing at iSpring, or use our free quiz to compare filters for your water, home and budget.

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