---
product_id: 11052489
title: "FD15 DeIonization Replacement Filter Fit RO/DI Water Filter System for Aquarium, 10\" x 2.5\", 1 Count"
brand: "ispring"
price: "€ 35.62"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/11052489-fd15-deionization-replacement-filter-fit-ro-di-water-filter-system
store_origin: NL
region: Netherlands
---

# Lasts 500-1000 gallons per replacement 0-1 ppm TDS ultra-pure water Fits most 2.5" x 10" RO/DI systems FD15 DeIonization Replacement Filter Fit RO/DI Water Filter System for Aquarium, 10" x 2.5", 1 Count

**Brand:** ispring
**Price:** € 35.62
**Availability:** ✅ In Stock

## Summary

> 💧 Elevate your water game with flawless purity and effortless fit!

## Quick Answers

- **What is this?** FD15 DeIonization Replacement Filter Fit RO/DI Water Filter System for Aquarium, 10" x 2.5", 1 Count by ispring
- **How much does it cost?** € 35.62 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/11052489-fd15-deionization-replacement-filter-fit-ro-di-water-filter-system)

## 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

- • **Crystal-Clear Purity:** Delivers near-zero TDS water for flawless aquarium health and sensitive uses.
- • **Easy Status Monitoring:** Clear housing lets you visually track resin condition—never get caught off guard.
- • **Universal Compatibility:** Seamlessly fits standard 2.5" x 10" RO/DI filter housings—no guesswork needed.
- • **Long-Lasting Performance:** Filters up to 1000 gallons before replacement, ensuring consistent water quality.
- • **Spotless Finish Every Time:** Prevents water spots post-drying, perfect for pristine aquarium and washing results.

## Overview

The iSpring FD15 DeIonization Replacement Filter is a high-performance DI cartridge designed to reduce Total Dissolved Solids to near zero (0-1 ppm), ensuring ultra-pure water ideal for aquariums and sensitive applications. Compatible with most 2.5" x 10" RO/DI systems, it prevents scale buildup and water spots while lasting up to 1000 gallons per replacement. Its clear housing allows easy monitoring of resin status, making maintenance straightforward and reliable.

## Description

iSpring FD15 DeIonization Replacement Filter Fit RO/DI Water Filter System for Aquarium, 10" x 2.5", 1 Count

## Features

- Advanced DI Filtration: Utilizes ion-exchange resins to remove mineral ions, leaving water free of hardness and preventing scale buildup. It does this by replacing them with hydrogen (H+) and hydroxide (OH-) ions, which combine to form water (H2O)
- Effective TDS Reduction: Lowers Total Dissolved Solids (TDS) to 0-1 ppm, delivering ultra-pure water ideal for sensitive applications
- Universal Fit: Designed to fit most 2.5" x 10" RO DI water filter systems, ensuring easy compatibility with a variety of setups
- Spot-Free Results: Prevents water spots after drying, making it perfect for washing applications where spotless results are crucial
- Durable & Reliable: Provides long-lasting performance, ensuring consistently high-quality, deionized water

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | Polypropylene (PP) |
| Product Dimensions | 2.5"D x 2.5"W x 10"H |
| Item Weight | 1 Ounces |
| External Testing Certification | NSF |
| Product Benefits | Reduces TDS |
| Brand | iSpring |
| UPC | 662425048069 |
| Global Trade Identification Number | 00662425048069 |
| Unit Count | 1.0 Count |
| Number of Items | 1 |
| Manufacturer | iSpring |
| Part Number | FD15 |
| Item Weight | 1 ounces |
| Item model number | FD15 |
| Is Discontinued By Manufacturer | No |
| Size | 1 Count (Pack of 1) |
| Color | Clear |
| Style | DI Replacement Filter |
| Power Source | Manual |
| Installation Method | Under Sink |
| Item Package Quantity | 1 |
| Number Of Pieces | 1 |
| Special Features | Reduce TDS |
| Included Components | DI water filter |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Material:** Polypropylene (PP)
- **Product Dimensions:** 2.5"D x 2.5"W x 10"H
- **Item Weight:** 1 Ounces
- **External Testing Certification:** NSF
- **Product Benefits:** Reduces TDS

## Images

![FD15 DeIonization Replacement Filter Fit RO/DI Water Filter System for Aquarium, 10" x 2.5", 1 Count - Image 1](https://m.media-amazon.com/images/I/51yQkVGUtfL.jpg)

## Available Options

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

## Questions & Answers

**Q: Is it really refillable? I can open it and fill it up with another media? I want to fill this up with calcite.**
A: Yes, I have refilled the media, it is easily done.

**Q: Does it come full of media?**
A: I think so but its not the best media .I like the color changing media..

**Q: How do i open the canister to replace the di media?  it seems like i need some sort of filter wrench.  does anyone know where i can get that?**
A: Ramon, take a hand towel and twist off thread end. Righty  tighty  lefty loosey-! No wrench needed.

**Q: Can it be connected to garden hose?**
A: Hi Emy, No. the FD15 filter inlet/outlet can only fit a 1/4" RO tubing or a 3/8" tuning is you will use a 1/4" stem x 3/8" quick connect fitting.

iSpring Water Systems, LLC

## Frequently Bought Together

- iSpring FD15 DeIonization Replacement Filter Fit RO/DI Water Filter System for Aquarium, 10" x 2.5", 1 Count
- iSpring FA15 Alkaline Inline Water Filter Cartridge, 10” x 2” with 1/4” Quick Connect, NSF Certified, Add-on for RO Systems, Balances pH & Restores Minerals, 3-Layer Replacement Filter
- iSpring ACL1 RO Add-on Filter Kit For Standard Reverse Osmosis Systems, 1/4"

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-01-25*