--- product_id: 605171364 title: "SimPure GAC Filter 20 x 4.5 inch Whole House Water Filter | Granular Activated Carbon Filter Replacement for DB20P, GAC-20BB, RFC20-BB (2 Pack)" brand: "simpure" price: "¥59845" currency: JPY in_stock: true reviews_count: 5 category: "Sim Pure" url: https://www.desertcart.jp/products/605171364-simpure-gac-filter-20-x-4-5-inch-whole-house store_origin: JP region: Japan --- # Premium coconut shell carbon High flow rate 15 GPM Filters 40,000 gallons SimPure GAC Filter 20 x 4.5 inch Whole House Water Filter | Granular Activated Carbon Filter Replacement for DB20P, GAC-20BB, RFC20-BB (2 Pack) **Brand:** simpure **Price:** ¥59845 **Availability:** ✅ In Stock ## Summary > 💧 Elevate Every Drop: Whole House Water Purification That Works as Hard as You Do ## Quick Answers - **What is this?** SimPure GAC Filter 20 x 4.5 inch Whole House Water Filter | Granular Activated Carbon Filter Replacement for DB20P, GAC-20BB, RFC20-BB (2 Pack) by simpure - **How much does it cost?** ¥59845 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/605171364-simpure-gac-filter-20-x-4-5-inch-whole-house) ## Best For - simpure enthusiasts ## Why This Product - Trusted simpure brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Pure Power of Coconut Carbon:** Harness the natural adsorptive strength of premium coconut shell activated carbon for cleaner, fresher water. - • **Versatile Water Purification:** Perfect for well or city water, ideal for homes, offices, farms, and restaurants craving premium water quality. - • **Long-Lasting Filtration Efficiency:** Filter up to 40,000 gallons before replacement—saving you time, money, and hassle. - • **Universal Fit for Seamless Upgrade:** Compatible with most 20-inch filter housings, making installation a breeze and upgrades effortless. - • **Whole House Hydration, No Compromise:** Enjoy a robust 15 gallons per minute flow rate that keeps every faucet in your home flowing effortlessly. ## Overview The SimPure GAC Filter is a premium 20 x 4.5 inch granular activated carbon replacement cartridge designed for whole house water filtration. Made from coconut shell carbon certified to NSF 42 standards, it effectively removes chlorine, odors, and off-tastes while maintaining a high flow rate of up to 15 GPM. With a lifespan filtering up to 40,000 gallons, it offers long-lasting performance and broad compatibility with most 20-inch filter housings, making it an ideal solution for improving water quality in residential and commercial settings. ## Description [Premium & Reliable Material] Made of premium coconut shell activated granular carbon element that is ground up and held together loosely inside a filter cartridge, the SimPure GAC carbon filter effectively adsorpt contaminants from entering the water. Compatible with NSF 42 certification. [Effective Chlorine and Off-taste Removal] The carbon media in the GAC filter adsorbs residual chlorine, removes tastes and odors like sulfur and chlorine smell, colors, significantly improving water quality. Use this charcoal water filter with sediment filters in your household water system to protect the water softener and home appliances, or use them after an inline sediment filter to purify well water or rainwater. [High Flow Rate and Long Service Life] This 20" GAC water filter has a large filtration area and a high flow rate of up to 15 GPM, which meets the whole house water needs. It can filter up to 40,000 gallons of water before replacement, saving you time and money. To achieve optimum performance, we suggest replacing it every 6-12 months depending on water quality. [Universal Size] Besides being the genuine replacement filter for SimPure DB20, DB20P, DB20P-3, this 4.5x20 carbon water filter is compatible with most 20 inch blue or clear big filter housings such as WGB32B, WGB22B WGB12B, HB28B, Geek-Pure BB-20T, BB-20B, 150233, 166201, etc. [Versatile Application] It can be used for well water or city water, suitable for various scenarios such as home, office, farm, restaurant, etc. [Installation Note] Make sure to put the end with small holes to the bottom of the filter housing. Review: Good quality - Very happy with the quality! Work great Review: Quality, effective - I appreciate these large filters since replacement at my house is just once a year. They seem well constructed and contribute to our great tasting water. ## Features - [Premium & Reliable Material] Made of premium coconut shell activated granular carbon element that is ground up and held together loosely inside a filter cartridge, the SimPure GAC carbon filter effectively adsorpt contaminants from entering the water. Compatible with NSF 42 certification. - [Effective Chlorine and Off-taste Removal] The carbon media in the GAC filter adsorbs residual chlorine, removes tastes and odors like sulfur and chlorine smell, colors, significantly improving water quality. Use this charcoal water filter with sediment filters in your household water system to protect the water softener and home appliances, or use them after an inline sediment filter to purify well water or rainwater. - [High Flow Rate and Long Service Life] This 20" GAC water filter has a large filtration area and a high flow rate of up to 15 GPM, which meets the whole house water needs. It can filter up to 40,000 gallons of water before replacement, saving you time and money. To achieve optimum performance, we suggest replacing it every 6-12 months depending on water quality. - [Universal Size] Besides being the genuine replacement filter for SimPure DB20, DB20P, DB20P-3, this 4.5x20 carbon water filter is compatible with most 20 inch blue or clear big filter housings such as WGB32B, WGB22B WGB12B, HB28B, Geek-Pure BB-20T, BB-20B, 150233, 166201, etc. - [Versatile Application] It can be used for well water or city water, suitable for various scenarios such as home, office, farm, restaurant, etc. - [Installation Note] Make sure to put the end with small holes to the bottom of the filter housing. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CPF4VM8R | | Best Sellers Rank | #211,261 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #687 in Replacement Water Filters | | Brand | SimPure | | Brand Name | SimPure | | Compatible Water Purifier Models | iSpring WGB22B | | Customer Reviews | 4.5 out of 5 stars 135 Reviews | | External Testing Certification | NSF | | External testing certification | NSF | | Item Dimensions D x W x H | 11.4D x 11.4W x 50.8H centimeters | | Item Weight | 7.5 Pounds | | Item weight | 7.5 Pounds | | Manufacturer | SimPure | | Manufacturer Part Number | GAC-20BB | | Material | Granular Activated Carbon | | Material Type | Granular Activated Carbon | | Model Number | GAC-20BB | | Number of Items | 2 | | Product Benefits | Standard 20 x 4.5 size for wide-ranged compatibility, reducing residual chlorine with less pressure drop from the whole house POE system. | | Product benefits | Standard 20 x 4.5 size for wide-ranged compatibility, reducing residual chlorine with less pressure drop from the whole house POE system. Product benefits Standard 20 x 4.5 size for wide-ranged compatibility, reducing residual chlorine with less pressure drop from the whole house POE system. See more | | Product dimensions | 11.4D x 11.4W x 50.8H centimeters | | Unit Count | 2 Count | ## Product Details - **Material:** Granular Activated Carbon - **Product dimensions:** 11.4D x 11.4W x 50.8H centimeters - **Item weight:** 7.5 Pounds - **External testing certification:** NSF - **Product benefits:** Standard 20 x 4.5 size for wide-ranged compatibility, reducing residual chlorine with less pressure drop from the whole house POE system. ## Images ![SimPure GAC Filter 20 x 4.5 inch Whole House Water Filter | Granular Activated Carbon Filter Replacement for DB20P, GAC-20BB, RFC20-BB (2 Pack) - Image 1](https://m.media-amazon.com/images/I/61terZZhbaL.jpg) ![SimPure GAC Filter 20 x 4.5 inch Whole House Water Filter | Granular Activated Carbon Filter Replacement for DB20P, GAC-20BB, RFC20-BB (2 Pack) - Image 2](https://m.media-amazon.com/images/I/71Pl+X4LOlL.jpg) ![SimPure GAC Filter 20 x 4.5 inch Whole House Water Filter | Granular Activated Carbon Filter Replacement for DB20P, GAC-20BB, RFC20-BB (2 Pack) - Image 3](https://m.media-amazon.com/images/I/811sfS9n0HL.jpg) ![SimPure GAC Filter 20 x 4.5 inch Whole House Water Filter | Granular Activated Carbon Filter Replacement for DB20P, GAC-20BB, RFC20-BB (2 Pack) - Image 4](https://m.media-amazon.com/images/I/71XkUG1bsYL.jpg) ![SimPure GAC Filter 20 x 4.5 inch Whole House Water Filter | Granular Activated Carbon Filter Replacement for DB20P, GAC-20BB, RFC20-BB (2 Pack) - Image 5](https://m.media-amazon.com/images/I/71jTBxfAwxL.jpg) ## Available Options This product comes in different **Size, Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good quality *by S***T on 4 August 2024* Very happy with the quality! Work great ### ⭐⭐⭐⭐⭐ Quality, effective *by F***R on 2 April 2026* I appreciate these large filters since replacement at my house is just once a year. They seem well constructed and contribute to our great tasting water. ### ⭐⭐⭐⭐⭐ Excellent rapport qualité-prix *by G***Y on 30 March 2025* Compatible et rendement efficace --- ## 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.jp/products/605171364-simpure-gac-filter-20-x-4-5-inch-whole-house](https://www.desertcart.jp/products/605171364-simpure-gac-filter-20-x-4-5-inch-whole-house) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-07-15*