--- product_id: 517933845 title: "iSpring FD25B Deionized Water Filter Replacement for WGB22BD, 4.5x20 in" brand: "ispring" price: "B/.356" currency: PAB in_stock: true reviews_count: 9 category: "I Spring" url: https://www.desertcart.com.pa/products/517933845-ispring-fd25b-deionized-water-filter-replacement-for-wgb22bd-4-5x20 store_origin: PA region: Panama --- # Up to 600 gallons or 120 rinses lifespan Zero/near zero TDS for spotless rinse Fits standard 4.5x20 inch housings iSpring FD25B Deionized Water Filter Replacement for WGB22BD, 4.5x20 in **Brand:** ispring **Price:** B/.356 **Availability:** ✅ In Stock ## Summary > 💦 Elevate your rinse game—spotless results that turn heads every time! ## Quick Answers - **What is this?** iSpring FD25B Deionized Water Filter Replacement for WGB22BD, 4.5x20 in by ispring - **How much does it cost?** B/.356 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/products/517933845-ispring-fd25b-deionized-water-filter-replacement-for-wgb22bd-4-5x20) ## Best For - ispring enthusiasts ## Why This Product - Trusted ispring brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Long-Lasting Performance:** Filters up to 600 gallons or 120 rinses, saving you time and money on replacements. - • **Spotless Shine Every Time:** Deionized water eliminates mineral spots and streaks for a flawless finish on cars, windows, and more. - • **Universal Fit, Hassle-Free:** Standard 4.5x20 inch size fits most filter housings—easy swap, no guesswork. - • **Expert Support at Your Fingertips:** Atlanta-based customer service ready to assist with any questions or troubleshooting. - • **Designed for Residential Excellence:** Optimized for home use to deliver professional-grade cleaning results without the commercial price tag. ## Overview The iSpring FD25B is a premium deionized water filter replacement cartridge designed for residential use in the WGB22BD system. It delivers near-zero total dissolved solids (TDS) water, ensuring a streak-free, spotless finish on vehicles, windows, and more. Compatible with standard 4.5x20 inch housings, it lasts up to 600 gallons or 120 rinses, backed by dedicated customer support from iSpring’s Atlanta headquarters. ## Description iSpring FD25B Deionized Water Filter for Spotless Car Wash System, Fits WGB22BD Deionized Water System for Car Wash, 4.5” x 20” Review: No watermarks - Previously, after each car wash, I had to spend extra time wiping the windows and wheels to remove stubborn water stains and marks. With this Aishipulin water purification system, these steps are no longer necessary. The deionized water washes the glass until it's crystal clear, free of stains and mineral deposits; the wheels don't need scrubbing and remain sparkling clean. I also use it to clean the chrome exhaust pipes, leaving them shiny and free of any hazy residue. You can first use regular water to pre-wash the wheels, then switch to purified water for a final rinse. The mobile cart moves flexibly around the wheels, and the included hose is long enough to ensure every corner of the vehicle is thoroughly cleaned. This system has halved my car wash time, and the glass and metal parts on my car look brand new. Review: Better window washing results than the professionals! - I should have bought this years ago. I used to hire professional window washers at $300-400 per visit. This iSpring unit made window washing a breeze and gave me a better outcome than the professionals...very effective. I was able to wash every window without squeegeeing at all. The result is a beautiful, spot-free window. Hands down the best value for the money, pays for itself in one use! It's compact in size and is easy to move around. Easy to operate and was leak-free! I like that the filter longevity will last me several years. ## Features - Deionized Water Filter for Spotless Results: iSpring FD25B deionized water filter produces filtered water with zero or near zero TDS (total dissolved solids), providing an excellent last step for rinsing your cars, RVs, boats, motorcycles, windows, and more, giving them a shining, bright, and spotless touch - Standard Size Compatibility: Our filter set fits any standard water filter housing that requires 20" x 4.5" cartridges. Each cartridge is individually wrapped to ensure that the filter stays fresh. Please unwrap the cartridges before installation - Built to Last with Extended Filter Life: Your filter changing schedule will be based on your water usage and the contamination level of your source water. We recommend changing your filters when you notice a dramatic increase in the TDS value (30 ppm). It lasts up to 120 rinses for cars or filters up to 600 gallons of water - Customer Service Support: We offer both technical assistance and customer service support by phone or email out of our headquarters in Atlanta, GA. Our knowledgeable team is available to help you find a filtration solution that best solves your specific water concerns or to help with any after-sale support you may need - Important Usage Note: This deionized water filter is not designed for drinking water applications of any kind. TDS in your source water will impact the performance of this filter - Residential Use Only: This system is NOT intended for commercial use and is designed specifically for residential applications ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BPK1BH1G | | Best Sellers Rank | #31,331 in Automotive ( See Top 100 in Automotive ) #33 in Car Washing Applicators | | Brand | iSpring | | Brand Name | iSpring | | Customer Reviews | 4.4 out of 5 stars 150 Reviews | | Included Components | Filter | | Item Dimensions D x W x H | 4.5"D x 4.5"W x 20"H | | Manufacturer | iSpring Water Systems | | Manufacturer Part Number | FD25B | | Material | Deionized Water Filter | | Material Type | Deionized Water Filter | | Model Number | FD25B | | Number of Items | 1 | | Product Benefits | Removes Impurities | | Product Dimensions | 4.5"D x 4.5"W x 20"H | | Set Name | Replacement Filter | | UPC | 810004173163 | | Unit Count | 1 Count | ## Product Details - **Brand:** iSpring - **Material:** Deionized Water Filter - **Product Benefits:** Removes Impurities - **Product Dimensions:** 4.5"D x 4.5"W x 20"H - **Set Name:** WGB22BD ## Images ![iSpring FD25B Deionized Water Filter Replacement for WGB22BD, 4.5x20 in - Image 1](https://m.media-amazon.com/images/I/61uzMtAWlJL.jpg) ![iSpring FD25B Deionized Water Filter Replacement for WGB22BD, 4.5x20 in - Image 2](https://m.media-amazon.com/images/I/71y1djyol-L.jpg) ![iSpring FD25B Deionized Water Filter Replacement for WGB22BD, 4.5x20 in - Image 3](https://m.media-amazon.com/images/I/81+7t-PaWCL.jpg) ![iSpring FD25B Deionized Water Filter Replacement for WGB22BD, 4.5x20 in - Image 4](https://m.media-amazon.com/images/I/81PFWkTfiOL.jpg) ![iSpring FD25B Deionized Water Filter Replacement for WGB22BD, 4.5x20 in - Image 5](https://m.media-amazon.com/images/I/81WU+KgWYgL.jpg) ## Available Options This product comes in different **Set** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ No watermarks *by J***I on May 31, 2026* Previously, after each car wash, I had to spend extra time wiping the windows and wheels to remove stubborn water stains and marks. With this Aishipulin water purification system, these steps are no longer necessary. The deionized water washes the glass until it's crystal clear, free of stains and mineral deposits; the wheels don't need scrubbing and remain sparkling clean. I also use it to clean the chrome exhaust pipes, leaving them shiny and free of any hazy residue. You can first use regular water to pre-wash the wheels, then switch to purified water for a final rinse. The mobile cart moves flexibly around the wheels, and the included hose is long enough to ensure every corner of the vehicle is thoroughly cleaned. This system has halved my car wash time, and the glass and metal parts on my car look brand new. ### ⭐⭐⭐⭐⭐ Better window washing results than the professionals! *by J***Y on October 11, 2025* I should have bought this years ago. I used to hire professional window washers at $300-400 per visit. This iSpring unit made window washing a breeze and gave me a better outcome than the professionals...very effective. I was able to wash every window without squeegeeing at all. The result is a beautiful, spot-free window. Hands down the best value for the money, pays for itself in one use! It's compact in size and is easy to move around. Easy to operate and was leak-free! I like that the filter longevity will last me several years. ### ⭐⭐⭐⭐⭐ Works Perfect *by J***N on June 13, 2026* Works as advertised. Good value compared to others on the market. Easy assembly. Reduced the TDS (total dissolved solids) in my super calcified well water from 400ppm to 1ppm. Spot free rinse on my black truck even in sunlight. Delivers about 3 GPM to my pressure washer, measured by me. Perfect rate. Any more than that doesn’t give the filters time to work. ## Frequently Bought Together - iSpring FD25B Deionized Water Filter for Spotless Car Wash System, Fits WGB22BD Deionized Water System for Car Wash, 4.5” x 20” - HoneForest Water Quality Tester, Accurate and Reliable, TDS Meter, EC Meter & Temperature Meter 3 in 1, 0-9990ppm, Ideal Water Test Meter for Drinking Water, Aquariums, etc. --- ## 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.com.pa/products/517933845-ispring-fd25b-deionized-water-filter-replacement-for-wgb22bd-4-5x20](https://www.desertcart.com.pa/products/517933845-ispring-fd25b-deionized-water-filter-replacement-for-wgb22bd-4-5x20) --- *Product available on Desertcart Panama* *Store origin: PA* *Last updated: 2026-07-31*