# Pentek vs SimPure Sediment Filters: Detailed Comparison and Buying Guide

> Professional comparison of Pentek DGD-5005, SimPure 5‑Micron, Pentek DGD‑5005‑20 (single and 2‑pack) and SimPure DB20P housing with specs, price, reviews and recommendations.

- Date: 2026-10-18
- Author: Product Review Team
- Category: Iron Bacteria in Well Water:
- Canonical: https://purifywellwater.com/blog/pentek-vs-simpure-sediment-filters-detailed-comparison-and-buying-guide/

## Introduction

The market for whole‑house sediment filtration offers many options, yet the decision often hinges on size, price, compatibility and real‑world performance. This article evaluates five Amazon products: the [Pentek DGD-5005 Sediment Filter](https://amazon.com/dp/B09MSX24Q3?tag=wpem020126-20), the [SimPure 5‑Micron Sediment Filter](https://amazon.com/dp/B07QTGYQBC?tag=wpem020126-20), the [Pentek DGD-5005-20 Sediment Filter](https://amazon.com/dp/B001VXW0U8?tag=wpem020126-20), its [Pentek DGD-5005-20 2‑Pack](https://amazon.com/dp/B0CJCVZ1L5?tag=wpem020126-20), and the [SimPure DB20P Filter Housing](https://amazon.com/dp/B086XFC665?tag=wpem020126-20). Understanding how each product differs in size, flow capacity, price and user feedback enables an informed purchase that matches a specific installation scenario.

## Individual Product Overviews

### [Pentek DGD-5005 Sediment Filter](https://amazon.com/dp/B09MSX24Q3?tag=wpem020126-20)

- Size: 10" x 4.5" (fits all 10‑inch Big Blue housings)
- Micron rating: nominal 5 µm
- Price: $116.67 (8‑pack)
- Rating: 4.7 / 5 from 1,815 reviews
- Key features: dual‑gradient density design, 233 % greater effective depth, up to three times the dirt‑holding capacity of comparable cartridges, low pressure drop under 1 psi at 10 gpm, NSF/ANSI 42 certified.
- Customer highlight: “Works good for Coldwater, inexpensive, replace every 90 days. Perfect size for 10x4 housing.”

### [SimPure 5‑Micron Sediment Filter](https://amazon.com/dp/B07QTGYQBC?tag=wpem020126-20)

- Size: 10" x 4.5" (universal fit for most 10‑inch BB housings)
- Micron rating: 5 µm
- Price: $35.69 (4‑pack)
- Rating: 4.7 / 5 from 1,569 reviews
- Key features: three‑layer gradient density filtration, high dirt‑holding capacity, up to 15,000 gallons service life, polypropylene construction, compatible with a long list of major brands.
- Customer highlight: “Great filters for the price… They last us anywhere between 2‑3 months as filter capture minerals, dirt & sand soaking it all in towards middle of filter.”

### [Pentek DGD-5005-20 Sediment Filter](https://amazon.com/dp/B001VXW0U8?tag=wpem020126-20)

- Size: 20" x 4.5" (fits all 20‑inch Big Blue housings)
- Micron rating: 5 µm
- Price: $36.12 (single cartridge)
- Rating: 4.7 / 5 from 1,448 reviews
- Key features: identical dual‑gradient design as the 10‑inch model, low pressure drop under 1 psi at 20 gpm, NSF/ANSI 42 certified.
- Customer highlight: “Dual‑gradient density design does a great job catching sediment progressively … [Water](#) pressure has stayed strong.”

### [Pentek DGD-5005-20 2‑Pack](https://amazon.com/dp/B0CJCVZ1L5?tag=wpem020126-20)

- Size: 20" x 4.5" (two cartridges)
- Micron rating: 5 µm
- Price: $65.02 (two cartridges)
- Rating: 4.7 / 5 from 1,448 reviews
- Key features: same dual‑gradient construction, packaged as a spare pair for convenient rotation, NSF/ANSI 42 certified.
- Customer highlight: “Great value if you are dealing with sediment, rust flecks, or dirt in your [water](#) supply.”

### [SimPure DB20P Filter Housing](https://amazon.com/dp/B086XFC665?tag=wpem020126-20)

- Size: 20" x 4.5" housing (compatible with any 20‑inch cartridge)
- Material: reinforced polypropylene with 1" NPT brass port
- Price: $69.99
- Rating: 4.4 / 5 from 3,066 reviews
- Key features: thickened threaded holes to prevent leaks, built‑in pressure‑relief button, includes wrench and mounting bracket, compatible with a wide range of cartridge brands.
- Customer highlight: “Installation isn’t easy but it isn’t terribly difficult either… The housing works as advertised and price was very competitive.”

## Head‑to‑Head Comparison

### Price and Value

The SimPure 5‑Micron filter offers the lowest unit price at $35.69 for four cartridges, delivering a cost per cartridge of under $9. The Pentek 20‑inch single cartridge costs $36.12, making it comparable on a per‑cartridge basis but limited to larger housings. The Pentek 10‑inch eight‑pack is the most expensive at $116.67, yet it provides eight cartridges for households that replace filters every six months, resulting in a per‑cartridge cost of $14.58. The Pentek 2‑Pack ($65.02) reduces per‑cartridge cost to $32.51, while the SimPure DB20P housing at $69.99 is a one‑time hardware expense that can be paired with any compatible cartridge.

### Features and Specifications

Product
Size
Micron Rating
Flow Rating
NSF/ANSI
Price
[Pentek DGD-5005](https://amazon.com/dp/B09MSX24Q3?tag=wpem020126-20)
10" x 4.5"
5 µm
10 gpm (≤1 psi drop)
42
$116.67 (8‑pack)
[SimPure 5‑Micron](https://amazon.com/dp/B07QTGYQBC?tag=wpem020126-20)
10" x 4.5"
5 µm
Not specified (high flow claimed)
Not listed
$35.69 (4‑pack)
[Pentek DGD-5005-20](https://amazon.com/dp/B001VXW0U8?tag=wpem020126-20)
20" x 4.5"
5 µm
20 gpm (≤1 psi drop)
42
$36.12 (single)
[Pentek DGD-5005-20 2‑Pack](https://amazon.com/dp/B0CJCVZ1L5?tag=wpem020126-20)
20" x 4.5"
5 µm
20 gpm (≤1 psi drop)
42
$65.02 (two)
[SimPure DB20P Housing](https://amazon.com/dp/B086XFC665?tag=wpem020126-20)
20" x 4.5" housing
Varies by cartridge
Depends on cartridge
Tested against NSF standards
$69.99

### Customer Ratings and Feedback

All sediment cartridges share an identical average rating of 4.7 / 5, indicating strong overall satisfaction. The SimPure housing trails slightly at 4.4 / 5, reflecting occasional installation challenges. Positive remarks for the Pentek 10‑inch model emphasize its durability and low pressure drop, while users of the SimPure 5‑Micron cartridge praise its affordability and effective capture of minerals and sand. The Pentek 20‑inch versions receive commendation for maintaining pressure and fitting seamlessly into larger housings. Common concerns include the need for silicone grease on O‑rings for Pentek cartridges and the requirement of basic plumbing skills for the SimPure housing.

### Performance and Reliability

Dual‑gradient density technology, present in all Pentek models, provides three‑times the dirt‑holding capacity of conventional single‑layer cartridges. Reviewers note that pressure remains stable even after months of use, confirming the claim of a low pressure drop under 1 psi. SimPure’s three‑layer gradient also delivers high dirt‑holding capacity, with users reporting up to 15,000 gallons of service before replacement. Both brands state a nominal 5 µm rating, sufficient for typical residential sediment such as sand, silt, rust and scale.

### Size, Compatibility and Installation

The 10‑inch Pentek and SimPure cartridges are interchangeable in any 10‑inch Big Blue housing. The 20‑inch Pentek cartridges require a 20‑inch housing; the SimPure DB20P housing fulfills this requirement while offering brass NPT threads for a secure seal. Installation notes from customers highlight the importance of applying silicone grease to Pentek O‑rings and tightening without overtightening. SimPure’s housing includes a pressure‑relief button that simplifies filter changes, though one reviewer mentioned the need for additional mounting hardware for wall installation.

## Pros & Cons

### Pentek DGD-5005 Sediment Filter

- Pros: Dual‑gradient design, NSF/ANSI 42 certified, low pressure drop, high dirt‑holding capacity, fits all 10‑inch Big Blue housings.
- Cons: Higher upfront cost per cartridge, eight‑pack may be excessive for low‑usage households, requires O‑ring grease.

### SimPure 5‑Micron Sediment Filter

- Pros: Lowest price per cartridge, three‑layer filtration, compatible with many brands, no taste or odor impact.
- Cons: Service life reported between 2‑3 months for hard well water, NSF certification not explicitly listed.

### Pentek DGD-5005-20 Sediment Filter

- Pros: Same dual‑gradient technology in a larger size, suitable for high‑flow 20‑inch housings, excellent pressure retention.
- Cons: Single cartridge price higher than 10‑inch pack on a per‑cartridge basis.

### Pentek DGD-5005-20 2‑Pack

- Pros: Provides a spare cartridge for rotation, best value for 20‑inch applications, identical performance to single cartridge.
- Cons: Still higher than SimPure 10‑inch pack for budget‑conscious buyers.

### SimPure DB20P Filter Housing

- Pros: Reinforced polypropylene construction, thickened threads reduce leaks, includes pressure‑relief button and installation tools.
- Cons: Installation may require basic plumbing skills, additional mounting hardware may be needed, rating slightly lower than cartridge‑only products.

## Recommendations

**Best for tight budgets:** The [SimPure 5‑Micron Sediment Filter](https://amazon.com/dp/B07QTGYQBC?tag=wpem020126-20) delivers comparable 5 µm filtration at a fraction of the cost, making it ideal for homeowners seeking affordability without sacrificing basic performance.

**Best for high‑flow 20‑inch systems:** The [Pentek DGD-5005-20 2‑Pack](https://amazon.com/dp/B0CJCVZ1L5?tag=wpem020126-20) provides the dual‑gradient capacity needed for larger households while offering a spare cartridge for continuous operation.

**Best for DIY complete system:** Pair the [SimPure DB20P Filter Housing](https://amazon.com/dp/B086XFC665?tag=wpem020126-20) with any compatible 20‑inch cartridge (Pentek or SimPure) to build a customizable filtration train.

**Best overall performance:** The [Pentek DGD-5005 Sediment Filter](https://amazon.com/dp/B09MSX24Q3?tag=wpem020126-20) offers the most robust dual‑gradient construction, NSF certification and proven low‑pressure operation, suitable for residential, rural and commercial water supplies.

## Frequently Asked Questions

1. **What does a 5 micron rating mean?** A 5 micron rating indicates that the filter can remove particles larger than five micrometers, which includes most sand, silt, rust and scale that cause cloudy water or appliance wear.
2. **Can I use a 10‑inch cartridge in a 20‑inch housing?** No. Cartridge dimensions must match the housing length; a 10‑inch cartridge will not seal properly in a 20‑inch housing.
3. **How often should the filters be replaced?** All listed cartridges recommend replacement approximately every six months, or sooner if water pressure drops or water quality declines. SimPure notes a service life of up to 15,000 gallons, which may translate to 3‑6 months for hard well water.
4. **Is silicone grease required for Pentek cartridges?** Reviewers advise applying silicone grease to the O‑ring during installation to prevent leaks and to ease future removal.
5. **Do these filters affect water taste or odor?** Both Pentek and SimPure cartridges are made from pure polypropylene and are designed not to impart taste, odor or color to the water.
6. **Can I combine a sediment filter with a carbon filter?** Yes. The housing models (Pentek Big Blue or SimPure DB20P) accept multiple cartridge types, allowing a sediment pre‑filter followed by a carbon filter for taste and chlorine removal.
7. **Are the filters NSF certified?** Pentek cartridges are certified to NSF/ANSI Standard 42. SimPure cartridges are tested against NSF standards but the certification is not explicitly listed on the product page.

## Conclusion

When selecting a [whole](#)‑house sediment filter, the decision rests on size compatibility, budget constraints and desired performance level. The Pentek DGD‑5005 provides premium dual‑gradient filtration with NSF certification, making it the top choice for users who prioritize longevity and pressure stability. For cost‑sensitive buyers, SimPure’s 5‑Micron cartridge offers adequate protection at a lower price point. Larger households requiring 20‑inch cartridges benefit from the Pentek DGD‑5005‑20 2‑Pack, while the SimPure DB20P housing delivers a versatile platform for custom filter configurations. By matching the specific installation requirements to the data presented, homeowners can achieve reliable sediment removal and protect downstream appliances.

## Products Mentioned in This Review

![Pentek DGD-5005](https://imagedelivery.net/9HFzmUrZT1VKBNvEeC85mQ/139e8d67-2cdf-4c91-d03f-6ad0ab702200/public)

### [Pentek DGD-5005 Sediment Filter](https://amazon.com/dp/B09MSX24Q3?tag=wpem020126-20)

Price: $116.67 (8‑pack) – Rating: 4.7 / 5 (1,815 reviews)

![SimPure 5-Micron](https://imagedelivery.net/9HFzmUrZT1VKBNvEeC85mQ/dab37e8a-6918-41c0-65c3-e3b044489500/public)

### [SimPure 5-Micron Sediment Filter](https://amazon.com/dp/B07QTGYQBC?tag=wpem020126-20)

Price: $35.69 (4‑pack) – Rating: 4.7 / 5 (1,569 reviews)

![Pentek DGD-5005-20](https://imagedelivery.net/9HFzmUrZT1VKBNvEeC85mQ/a5c89867-44bd-438e-4e5b-32cb0a038300/public)

### [Pentek DGD-5005-20 Sediment Filter](https://amazon.com/dp/B001VXW0U8?tag=wpem020126-20)

Price: $36.12 – Rating: 4.7 / 5 (1,448 reviews)

![Pentek DGD-5005-20 2-Pack](https://imagedelivery.net/9HFzmUrZT1VKBNvEeC85mQ/5c972729-3b9a-4c56-ae80-b3cb6410df00/public)

### [Pentek DGD-5005-20 2-Pack](https://amazon.com/dp/B0CJCVZ1L5?tag=wpem020126-20)

Price: $65.02 (two cartridges) – Rating: 4.7 / 5 (1,448 reviews)

![SimPure DB20P Housing](https://imagedelivery.net/9HFzmUrZT1VKBNvEeC85mQ/6afb9241-41c6-455d-5132-55d0110b5500/public)

### [SimPure DB20P Filter Housing](https://amazon.com/dp/B086XFC665?tag=wpem020126-20)

Price: $69.99 – Rating: 4.4 / 5 (3,066 reviews)