---
product_id: 139219509
title: "Vaporex DEF Case (4 1-Gallon Units) Diesel Exhaust Fluid"
brand: "unuast"
price: "€ 456.25"
currency: EUR
in_stock: false
url: https://www.desertcart.fi/products/139219509-vaporex-def-case-4-1-gallon-units-diesel-exhaust-fluid
store_origin: FI
region: Finland
---

# Meets ISO 22241 & AdBlue Standards 67.5% Ultra-Pure De-Ionized Water 32.5% High-Grade Urea Vaporex DEF Case (4 1-Gallon Units) Diesel Exhaust Fluid

**Brand:** unuast
**Price:** € 456.25
**Availability:** ❌ Out of Stock

## Summary

> 🚛 Drive Clean, Drive Confident: Premium DEF for Peak Diesel Performance

## Quick Answers

- **What is this?** Vaporex DEF Case (4 1-Gallon Units) Diesel Exhaust Fluid by unuast
- **How much does it cost?** € 456.25 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/139219509-vaporex-def-case-4-1-gallon-units-diesel-exhaust-fluid)

## Best For

- unuast enthusiasts

## Why This Product

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

## Key Features

- • **Made in USA:** Proudly manufactured domestically with rigorous batch testing
- • **Precision Formula:** Optimized 32.5% urea concentration for maximum SCR efficiency
- • **Ultra-Pure Composition:** 67.5% de-ionized water ensures contaminant-free operation
- • **Certified Quality Assurance:** API-registered for trusted performance every time
- • **Industry Standard Compliance:** Exceeds ISO 22241 and AdBlue standards for reliability

## Overview

Vaporex DEF Case contains four 1-gallon units of a certified diesel exhaust fluid solution, blending 32.5% high-grade urea with 67.5% ultra-pure de-ionized water. Registered by the API and exceeding ISO 22241 and AdBlue standards, it ensures optimal Selective Catalytic Reduction (SCR) system performance. Manufactured in the USA with strict quality controls, it’s the go-to choice for diesel professionals demanding reliability and compliance.

## Description

Vaporex DEF is a non-hazardous solution of 32.5% High-Grade Urea and 67.5% Ultra-Pure De-Ionized Water. It is used in diesel engine systems utilizing Selective Catalytic Reduction (SCR). Vaporex DEF is registered with the American Petroleum Institute (API) as a certified quality product. Vaporex DEF meets or exceeds ISO 22241 and AdBlue standards. All batches are thoroughly tested for quality assurance at the time of manufacture. MADE IN USA.

## Features

- Meets or Exceeds ISO 22241 and AdBlue standards

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07J5PCTMG |
| Brand | unuaST |
| Customer Reviews | 5.0 5.0 out of 5 stars (3) |
| Date First Available | October 8, 2018 |
| Is Discontinued By Manufacturer | No |
| Manufacturer | Clear Fuel |
| Manufacturer Part Number | 9 |

## Images

![Vaporex DEF Case (4 1-Gallon Units) Diesel Exhaust Fluid - Image 1](https://m.media-amazon.com/images/I/41vnTHUC-zL.jpg)

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**Shop now:** [https://www.desertcart.fi/products/139219509-vaporex-def-case-4-1-gallon-units-diesel-exhaust-fluid](https://www.desertcart.fi/products/139219509-vaporex-def-case-4-1-gallon-units-diesel-exhaust-fluid)

---

*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-03-18*