Membrane Solutions WPP-F10-5 5-Micron String-Wound Filter, 10 x 2.5 in, 6-Pack

Membrane Solutions WPP-F10-5 is a six-pack of 5-micron, string-wound polypropylene sediment cartridges listed for standard 10 x 2.5-inch housings. It is intended to capture sediment and larger particles as a whole-house or reverse-osmosis prefilter, but compatibility depends on matching your housing dimensions and model.

At a glance

The listing describes a 5-micron string-wound sediment cartridge for capturing rust, dirt, sand, silt and other larger particles.
Listed as a first-stage whole-house filter or a prefilter for reverse-osmosis systems.
The maker claims up to 15,000–20,000 gallons of capacity, with actual life dependent on inlet-water quality and replacement advised at least every six months.
NSF/ANSI Standard 42 certification is specified for material requirements only, not as a claim of contaminant-reduction certification.

Price

$26.35Save 20%

Reference price: ~~$32.98~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

Six cartridges are listed, useful for keeping replacement filters on hand.
String-wound depth filtration is described as capturing larger particles toward the outside and smaller particles nearer the core.
The listing gives both a standard nominal size and a broad replacement-model list to help identify possible fits.

Cons

This is a sediment filter, not a listed treatment for dissolved contaminants, taste or odor.
The stated gallon capacity and performance benefits are manufacturer claims and vary with incoming water quality.

Technical specifications

18 specifications

Identity
Brand	Membrane Solutions
Model	WPP-F10-5

Filter and material
Micron rating	5 Micron
Filter type	String Wound Polypropylene
Material listed	Polypropylene (PP)
Certification claim	NSF

Dimensions and installation
Dimensions listed	2.5"D x 2.5"W x 10"H
Weight listed	5.76 ounces
Inner diameter	1.1

Operating limits and capacity claims
Initial pressure drop	＜0.3psi@5gpm
Recommended service temperature	40-113°F / 5-45℃
Maximum operating temperature	180 °F / 82℃
Maximum operating pressure	75PSI @ 68°F(Depending on operating parameters)
Claimed filter capacity	15,000-20,000 gallons
Replacement interval guidance	Replace the filter at least every six months to maintain performance.

Compatibility
Compatible purifier models listed	GE GNSV70R, Whirlpool WHKF-GD05
Housing compatibility claim	Fits most 10-inch filter housings.
Use listed	Used as a prefilter for reverse osmosis (RO) and whole house water filtration systems, and various commercial and industrial applications.

What to know before buying

Listing details to confirm

The listing claims a 10 x 2.5-inch standard cartridge and fit in most 10-inch housings, while customer feedback reports that some users find it taller than standard Omni 10-inch filters. Confirm usable cartridge height and housing fit before ordering. NSF/ANSI Standard 42 is stated to cover material requirements only. The claimed service life depends on inlet-water quality, and the maker advises replacement at least every six months.

What’s in the box

Included

6 string-wound water filter cartridges, 10 x 2.5 inches

Who is it for?

A good fit for

Households seeking a sediment prefilter for a compatible whole-house or reverse-osmosis setup.
Owners of listed or similarly sized housings who want a multi-cartridge replacement supply.
Users whose feed water contains sediment such as sand, rust or dirt and who need particulate filtration.

Less suited to

Buyers needing a filter specifically certified here to reduce dissolved contaminants, chlorine, taste or odor.
Anyone whose housing cannot accept the listed 10-inch cartridge dimensions or whose required cartridge height is shorter.

Membrane Solutions WPP-F10-5 5-Micron String-Wound Filter, 10 x 2.5 in, 6-Pack · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.8 / 5 · 5,498 ratings

5 stars84%84%
4 stars12%12%
3 stars3%3%
2 stars0%0%
1 star1%1%

Customer feedback reports that the cartridges are easy to use and install, trap dirt and sediment, and can last a long time. Some customers find the size right, while others say the filters are taller than standard Omni 10-inch cartridges. That fit variation matters because the listing’s nominal 10 x 2.5-inch size does not ensure clearance in every housing. Aggregate ratings are mostly five-star, but ratings alone do not establish a specific performance outcome.

Positive themes

Customers describe the filters as easy to use and install, and report trapping dirt and sediment, including red sand.
Customer feedback includes reports of long-lasting use and satisfaction with the price.

Mixed feedback

Fit feedback is mixed: some customers say the size is correct, while others report that the cartridges are taller than standard Omni 10-inch filters.

Frequently asked questions

What does this cartridge filter?

The listing describes a 5-micron sediment cartridge intended to capture rust, dirt, sand, silt and other larger undissolved particles. It does not list dissolved-contaminant, taste or odor treatment.

Will it fit my filter housing?

It is described as a 10 x 2.5-inch universal cartridge that fits most 10-inch housings, but the listing does not guarantee every model. Compare the housing’s cartridge dimensions and required height. Customer feedback includes reports that it is taller than some Omni 10-inch filters.

What does the NSF claim cover?

The listing says the filter is tested and certified to NSF/ANSI Standard 42 for material requirements only. It does not state that this certification covers contaminant reduction.

How often should I replace it?

The maker says to replace it at least every six months. Its separate 15,000–20,000-gallon capacity claim depends on inlet-water quality, so that figure should not be treated as a guaranteed service interval.