--- product_id: 582811648 title: "Pentair Pentek DGD-2501-20 Big Blue Sediment Water Filter, 20-Inch, Whole House Dual-Gradient Density Spun Polypropylene Cartridge, 20\" x 4.5\", 1 Micron, Pack of 2" brand: "pentek" price: "€ 258.60" currency: EUR in_stock: true category: "Pentek" url: https://www.desertcart.gr/products/582811648-pentair-pentek-dgd-2501-20-big-blue-sediment-water-filter store_origin: GR region: Greece --- # Fits all 20-inch Big Blue housings 1 micron ultra-fine filtration 3X dirt-holding capacity Pentair Pentek DGD-2501-20 Big Blue Sediment Water Filter, 20-Inch, Whole House Dual-Gradient Density Spun Polypropylene Cartridge, 20" x 4.5", 1 Micron, Pack of 2 **Brand:** pentek **Price:** € 258.60 **Availability:** ✅ In Stock ## Summary > 💧 Elevate your water game with the Big Blue filter that means business. ## Quick Answers - **What is this?** Pentair Pentek DGD-2501-20 Big Blue Sediment Water Filter, 20-Inch, Whole House Dual-Gradient Density Spun Polypropylene Cartridge, 20" x 4.5", 1 Micron, Pack of 2 by pentek - **How much does it cost?** € 258.60 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/582811648-pentair-pentek-dgd-2501-20-big-blue-sediment-water-filter) ## 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 - • **Triple Dirt Defense:** Dual-gradient density design traps 3X more sediment than standard filters, keeping your home’s water pristine. - • **Certified Reliability:** NSF/ANSI Standard 42 certified for trusted, chemical-compatible performance you can count on. - • **Long-Lasting Freshness:** Replace every 6 months to maintain peak water pressure and quality—because your home deserves the best. - • **Seamless Compatibility:** Drop-in replacement for all 20" Big Blue housings—upgrade your whole house filtration effortlessly. - • **Crystal-Clear Hydration:** Experience pure, taste- and odor-free water with advanced 1 micron filtration. ## Overview The Pentair Pentek DGD-2501-20 Big Blue Sediment Water Filter is a 20-inch, dual-gradient density spun polypropylene cartridge delivering ultra-fine 1 micron filtration. Designed for whole house use, it offers 3X the dirt-holding capacity of similar filters with minimal pressure drop at high flow rates. Certified to NSF/ANSI Standard 42, this 2-pack ensures chemical compatibility and long-lasting protection for your plumbing and appliances. ## 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 compatibility.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%, providing 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. This 2-pack of DGD-2501-20 cartridges provides 1 micron filtration in the 20" x 4.5" Big Blue format. ## Features - KEEP YOUR WATER CLEANER - Reduces dirt, sand, silt and particulates and helps protect your appliances. DGD Big Blue water filter cartridges are designed for purity and will NOT impart taste, odor or color to your water - IDEAL HIGH-FLOW PRE-FILTER - Dual-gradient density design increases filtration from outer to inner surfaces, delivering 3X the dirt-holding capacity of similar size sediment cartridges with less than 1 psi pressure drop at 20 gpm - TESTED AND CERTIFIED BY NSF INTERNATIONAL to NSF/ANSI Standard 42 for material requirements. Manufactured with 100% pure polypropylene for dependable, chemical-compatible performance - SIZED FOR USE IN ALL 20-INCH BIG BLUE filter housings and other heavy duty housings. Drop-in replacement for any 20" x 4.5" sediment filter cartridge in whole house and point-of-entry systems - REPLACE EVERY 6 MONTHS or when you notice a drop in water pressure or water quality. Operating temperature range: 40-145 degrees F (4.4-62.8 degrees C) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CJDLR1BQ | | Best Sellers Rank | #2,733 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #21 in Replacement Under-Sink Water Filters | | Brand Name | Pentek | | Customer Reviews | 4.7 4.7 out of 5 stars (816) | | External Testing Certification | ANSI | | Global Trade Identification Number | 50051678360434 | | Item Dimensions D x W x H | 4.5"D x 4.5"W x 20"H | | Item Type Name | Pentair Pentek DGD-2501-20 Big Blue Water Filter | | Item Weight | 4.4 pounds | | Manufacturer | Pentair | | Manufacturer Part Number | 155360-44 | | Material Type | Polypropylene (PP) | | Model Number | DGD-2501-20 | | Number of Items | 2 | | Product Benefits | Protects appliances, high flow rate, NSF certified, replaces sediment filter cartridges | | Set Name | 2 | | Unit Count | 2 Count | ## Product Details - **External Testing Certification:** ANSI - **Item Weight:** 4.4 pounds - **Material:** Polypropylene (PP) - **Product Benefits:** Protects appliances, high flow rate, NSF certified, replaces sediment filter cartridges - **Product Dimensions:** 4.5"D x 4.5"W x 20"H ## Images ![Pentair Pentek DGD-2501-20 Big Blue Sediment Water Filter, 20-Inch, Whole House Dual-Gradient Density Spun Polypropylene Cartridge, 20" x 4.5", 1 Micron, Pack of 2 - Image 1](https://m.media-amazon.com/images/I/713dYkUMIzL.jpg) ![Pentair Pentek DGD-2501-20 Big Blue Sediment Water Filter, 20-Inch, Whole House Dual-Gradient Density Spun Polypropylene Cartridge, 20" x 4.5", 1 Micron, Pack of 2 - Image 2](https://m.media-amazon.com/images/I/81Nl6X4thyL.jpg) ![Pentair Pentek DGD-2501-20 Big Blue Sediment Water Filter, 20-Inch, Whole House Dual-Gradient Density Spun Polypropylene Cartridge, 20" x 4.5", 1 Micron, Pack of 2 - Image 3](https://m.media-amazon.com/images/I/71PJJSEKnZL.jpg) ![Pentair Pentek DGD-2501-20 Big Blue Sediment Water Filter, 20-Inch, Whole House Dual-Gradient Density Spun Polypropylene Cartridge, 20" x 4.5", 1 Micron, Pack of 2 - Image 4](https://m.media-amazon.com/images/I/61qZ6hYaZ4L.jpg) ![Pentair Pentek DGD-2501-20 Big Blue Sediment Water Filter, 20-Inch, Whole House Dual-Gradient Density Spun Polypropylene Cartridge, 20" x 4.5", 1 Micron, Pack of 2 - Image 5](https://m.media-amazon.com/images/I/71ZZBSPbwML.jpg) ## Available Options This product comes in different **Size, Style** options. --- ## 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.gr/products/582811648-pentair-pentek-dgd-2501-20-big-blue-sediment-water-filter](https://www.desertcart.gr/products/582811648-pentair-pentek-dgd-2501-20-big-blue-sediment-water-filter) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-08-20*