---
product_id: 10889121
title: "Pentair Pentek DGD-7525-20 Big Blue Water Filter, 20-Inch Whole House Sediment Filter Cartridge Replacement, Dual-Gradient Density Spun Polypropylene, 20\" x 4.5\", 25 Micron, Pack of 1, White"
brand: "pentek"
price: "R1308"
currency: ZAR
in_stock: true
reviews_count: 8
url: https://www.desertcart.co.za/products/10889121-pentair-pentek-dgd-7525-20-big-blue-water-filter-20
store_origin: ZA
region: South Africa
---

# 25 Micron Precision Filtration 3X Dirt Holding Capacity NSF Certified Safety Pentair Pentek DGD-7525-20 Big Blue Water Filter, 20-Inch Whole House Sediment Filter Cartridge Replacement, Dual-Gradient Density Spun Polypropylene, 20" x 4.5", 25 Micron, Pack of 1, White

**Brand:** pentek
**Price:** R1308
**Availability:** ✅ In Stock

## Summary

> 💧 Elevate your water game with the powerhouse filter that keeps your home flowing flawlessly!

## Quick Answers

- **What is this?** Pentair Pentek DGD-7525-20 Big Blue Water Filter, 20-Inch Whole House Sediment Filter Cartridge Replacement, Dual-Gradient Density Spun Polypropylene, 20" x 4.5", 25 Micron, Pack of 1, White by pentek
- **How much does it cost?** R1308 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/10889121-pentair-pentek-dgd-7525-20-big-blue-water-filter-20)

## Best For

- pentek enthusiasts

## Why This Product

- Trusted pentek brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Optimized Longevity:** Replace every 6 months or when water pressure drops to maintain peak purity.
- • **Universal Big Blue Fit:** Seamlessly replaces any 20" x 4.5" sediment cartridge in heavy-duty housings.
- • **Certified Peace of Mind:** NSF certification guarantees safe, reliable filtration for your whole house.
- • **Triple Dirt Holding Power:** Up to 3X the sediment capacity of standard filters means longer-lasting performance.
- • **Unmatched Filtration Precision:** Captures dirt, sand, and silt down to 25 microns for crystal-clear water.

## Overview

The Pentair Pentek DGD-7525-20 is a 20-inch whole house sediment filter cartridge featuring dual-gradient density spun polypropylene construction. It delivers superior filtration with a 25-micron rating, achieving up to three times the dirt holding capacity of comparable filters. NSF certified for safety and reliability, it fits all standard 20" Big Blue housings and is designed for easy replacement every six months to ensure consistently clean, sediment-free water throughout your home.

## Description

DGD Series Cartridges are manufactured from 100% pure polypropylene and are sized for use in Pentair Pentek Big Blue Filter Housings. DGD Series Cartridges are designed for purity and will not impart taste, odor or color to the liquid being filtered. Additionally, the polypropylene construction provides superior chemical resistance. The DGD Series' advanced design combines selective final filtration with appropriate pre-filtration to achieve up to three times the dirt holding capacity of similar size sediment cartridges and even greater capacity than standard spun or string-wound cartridges. The larger diameter of the filter reduces the particle load, allowing it to operate at higher velocities. The effective filter depth is increased to a full 233%. This increased depth provides very high particulate reduction efficiencies and added loading capacity. The design and performance characteristics of the DGD Series Cartridges make them an excellent choice for all residential, rural, municipal and commercial applications.

## Features

- KEEP YOUR WATER CLEAN and protect your appliances by removing dirt, sand, silt and particulates
- FITS ALL 20" Big Blue or other heavy duty housings and can replace any 20" x 4.5" sediment filter cartridge
- ACHIEVES UP TO 3X the dirt holding capacity of similar size sediment cartridges
- NSF CERTIFIED for your peace of mind
- REPLACE EVERY 6 MONTHS or when you notice a drop in water pressure or quality

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | Polypropylene (PP) |
| Product Dimensions | 4.5"D x 20"W x 4.5"H |
| Item Weight | 1.6 Pounds |
| External Testing Certification | NSF |
| Product Benefits | Dual-Gradient Sediment Filter Cartridge is designed to reduce fine sediment in residential drinking wate |
| Brand | Pentek |
| UPC | 051678356432 700999877729 |
| Global Trade Identification Number | 00700999877729 |
| Unit Count | 1.0 Count |
| Number of Items | 1 |
| Manufacturer | Pentair |
| Part Number | DGD-7525-20 |
| Item Weight | 1.6 pounds |
| Item model number | DGD-7525-20 |
| Is Discontinued By Manufacturer | No |
| Size | Pack of 1 |
| Color | White |
| Style | 25 micron |
| Pattern | Water Filter |
| Item Package Quantity | 1 |
| Number Of Pieces | 1 |
| Included Components | 1 filter |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Material:** Polypropylene (PP)
- **Product Dimensions:** 4.5"D x 20"W x 4.5"H
- **Item Weight:** 1.6 Pounds
- **External Testing Certification:** NSF
- **Product Benefits:** Dual-Gradient Sediment Filter Cartridge is designed to reduce fine sediment in residential drinking wate

## Images

![Pentair Pentek DGD-7525-20 Big Blue Water Filter, 20-Inch Whole House Sediment Filter Cartridge Replacement, Dual-Gradient Density Spun Polypropylene, 20" x 4.5", 25 Micron, Pack of 1, White - Image 1](https://m.media-amazon.com/images/I/61vq46ooP1L.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Questions & Answers

**Q: what is the recommended manufacture filter change. or the life span of the filter how many gallons?
Thanks**
A: We have a lot of sediment and silt in our well water.  I have been using these close to 10 years now, and I change them every 3 months.  If I go too long, the silt gets past the filter and into the washing machine (that's where I notice it first).

**Q: Will these filters fit the express water whole house filter hsg?they are also 4.5 x20 filters. Would like to use this gradiant sediment filter**
A: Yes, the sediment filter will fit the 20 inch canister. That is a std size. It should go into the first position in a 3 canister setup.

**Q: Can i replace a dgd-5005- 20 with this dgd-2501-20? what are the consequent's replace more often?**
A: The DGD-2501-20 is designed to remove smaller particulate and is constructed of denser filter media than th DGD-5005-20, thus it my need to be replaced more often if the feed water quality has a higher volume of larger sized particulate.

**Q: Where is this made?**
A: The DGD-5005-20 Pentek is made in China.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works very well. I will buy it again.
*by L***E on June 13, 2025*

The filter worked very well. The city did some water pipe repairs locally and mud came down the line. The filter was replaced by a plumber after only 3 days. A simple white filter was covered with dirt. The water quality in the house remained excellent. It saved a lot of money replacing fixtures etc.

### ⭐⭐⭐⭐⭐ Gotta change it regularly, but it works!
*by R***Y on April 16, 2025*

Excellent product. Removes sediment as it should. Tip: keep an eye on the price - it often comes down quite a bit -- then buy 'em. It'll go back up again.

### ⭐⭐⭐⭐⭐ Great filters
*by D***H on March 4, 2025*

Work as specified. Great brand- reliable filters

## Frequently Bought Together

- Pentair Pentek DGD-7525-20 Big Blue Water Filter, 20-Inch Whole House Sediment Filter Cartridge Replacement, Dual-Gradient Density Spun Polypropylene, 20" x 4.5", 25 Micron, Pack of 1, White
- Captain O-Ring - Replacement 151122 O-Rings Compatible with Pentair Pentek Big Blue Water Filters OEM Size ORing Buna-N (3 Pack)
- Pentair Pentek RFC-20BB Big Blue Carbon Water Filter, 20-Inch, Whole House Heavy Duty Radial Flow Carbon Replacement Cartridge with Granular Activated Carbon (GAC) Filter, 20" x 4.5", 25 Micron

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.co.za/products/10889121-pentair-pentek-dgd-7525-20-big-blue-water-filter-20](https://www.desertcart.co.za/products/10889121-pentair-pentek-dgd-7525-20-big-blue-water-filter-20)

---

*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-02-03*