Hydronix SWC-45-2005 5-Micron String-Wound Sediment Filter Cartridge

Filter: The Hydronix SWC-45-2005 is a 5-micron string-wound sediment cartridge for compatible 4.5-by-20-inch housings. Its polypropylene construction and stated commercial and residential suitability make it an option for whole-house or other compatible filtration setups, but confirm your housing dimensions before ordering.

At a glance

String-wound polypropylene cartridge with a stated 5-micron rating.
Listed for commercial and residential use and sized for 4.5-by-20-inch housings.
The listing claims chlorine reduction and an NSF certification, but does not specify the certification scope.

Price

$23.61Save 18%

Reference price: ~~$28.92~~

Price checked: Nov 14, 2026

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Often bought together

Hydronix SWC-45-2050 String Wound Water Filter Cartridge for Whole House, Wells or Commercial 4.5" x 20" - 50 micron

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Hydronix SWC-45-2020 String Wound Water Filter Cartridge | 20" x 4.5" | 20 Micron | Whole House Water Filter Replacement | Sediment Filter for Rust, Dirt, Sand | Polypropylene

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Pros and cons

Pros

A stated 5-micron rating gives buyers a defined sediment-filtering specification to compare with their system requirements.
The listing identifies the cartridge as fitting 4.5-by-20-inch housings, with polypropylene string-wound construction.
Described as suitable for both residential and commercial applications.

Technical specifications

12 specifications

Identity
Brand	Hydronix
Model	SWC-45-2005

Filtration and materials
Micron rating	5 micron
Material	Polypropylene (PP)
Construction	String wound cartridge technology

Dimensions and installation
Dimensions listed	4.5"D x 4.5"W x 20"H
Weight listed	3 pounds
Stated housing fit	4.5" x 20" housings

Use and listed claims
Applications	Suitable for Commercial and residential applications
Dirt capacity claim	High dirt holding capacity
Listed product benefit	Reduces Chlorine
External testing certification listed	NSF

What to know before buying

Confirm that your housing accepts a 4.5-by-20-inch cartridge and that its filtration rating suits your water and system. The listing says it reduces chlorine but describes the product as a sediment cartridge, and does not identify the scope of the stated NSF certification or provide supporting performance details.

What’s in the box

Included

Sediment string-wound water filter

Who is it for?

A good fit for

Owners of compatible 4.5-by-20-inch whole-house or commercial filter housings seeking a 5-micron string-wound cartridge.
Buyers looking for a polypropylene cartridge with a stated 5-micron rating.

Less suited to

Buyers whose housing uses a different cartridge size or who need documented details about chlorine-reduction performance or NSF certification scope.

Hydronix SWC-45-2005 5-Micron String-Wound Sediment Filter Cartridge · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.7 / 5 · 92 ratings

5 stars83%83%
4 stars13%13%
3 stars0%0%
2 stars0%0%
1 star4%4%

Aggregate ratings lean strongly positive, with most ratings in the top category, but a smaller one-star portion means experiences are not uniformly positive. Without review comments, the reasons behind either favorable or unfavorable ratings are unknown. Ratings alone do not establish filtration performance, housing fit, or certification scope, so use the stated size and product claims to assess suitability.

Frequently asked questions

What housing size is this cartridge listed for?

The listing states that it fits 4.5-by-20-inch housings. Check your housing's required cartridge dimensions before buying.

What is the stated micron rating?

The listing gives a 5-micron rating.

Does the listing specify chlorine reduction?

Yes. It lists chlorine reduction as a product benefit, but does not provide performance details or clarify how that claim relates to its sediment-filter description.

What does the NSF claim establish?

The details list NSF as an external testing certification, but do not identify the applicable standard or certification scope. Confirm the specific certification needed for your application.