---
product_id: 326159295
title: "Red Devil 0846DX F-Seal 181 Fiber Reinforced Water Based Duct Sealant, 10.1 oz, Gray"
brand: "red devil"
price: "€ 36.82"
currency: EUR
in_stock: true
url: https://www.desertcart.it/products/326159295-red-devil-0846dx-f-seal-181-fiber-reinforced-water-based
store_origin: IT
region: Italy
---

# Fast-drying, low VOC formula Weather-resistant for indoor/outdoor use UL 181 A-M & B-M certified Red Devil 0846DX F-Seal 181 Fiber Reinforced Water Based Duct Sealant, 10.1 oz, Gray

**Brand:** red devil
**Price:** € 36.82
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal smart, save energy, and stay ahead of the HVAC game!

## Quick Answers

- **What is this?** Red Devil 0846DX F-Seal 181 Fiber Reinforced Water Based Duct Sealant, 10.1 oz, Gray by red devil
- **How much does it cost?** € 36.82 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/326159295-red-devil-0846dx-f-seal-181-fiber-reinforced-water-based)

## Best For

- red devil enthusiasts

## Why This Product

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

## Key Features

- • **Fast & Safe Application:** Quick-dry, low VOC formula means less downtime and healthier environments.
- • **Leak-Proof HVAC Mastery:** Fiber-reinforced formula guarantees airtight, energy-saving duct seals.
- • **Industry-Leading Standards:** Exceeds SMACNA pressure and sealing classes for professional-grade reliability.
- • **Built to Brave the Elements:** Weather-resistant durability ensures lasting performance inside and out.
- • **Universal HVAC Compatibility:** Certified for metal, fiberglass, and flexible ducts—one sealant to rule them all.

## Overview

Red Devil 0846DX F-Seal 181 is a fiber-reinforced, water-based duct sealant designed for superior leak-proof sealing of all HVAC duct types. UL 181 A-M & B-M certified, it offers weather-resistant durability for indoor and outdoor use, fast drying with low VOCs, and exceeds industry pressure and sealing standards—perfect for professionals demanding reliable, energy-efficient HVAC performance.

## Description

Red F-Seal 181 is a specially formulated fiber reinforced water based duct sealant/mastic for indoor/outdoor use. Suitable for pressure sealing all types of HVAC duct systems including metal, fiberglass ductboard and flexduct. Made in USA. FEATURES: LEED EQ 4.1 Compliant Indoor/Outdoor Excellent Adhesion Excellent Flexibility Low VOC USE ON: Metal and Flexible Ducts Vents Air Conditioners HVAC Appliances SPECIFICATIONS: UL 181 A-M & B-M certified and can be used on all types of HVAC ductwork. ABOUT RED : Red is still a privately-owned family business with state-of-the-art manufacturing facilities in Pryor, Oklahoma. Click on the Red link at the top of this page to visit our Brand Store.

## Features

- SUPERIOR SEALING: Fiber-reinforced formula ensures leak-free HVAC systems, improving energy efficiency and performance
- VERSATILE APPLICATION: UL 181 A-M & B-M certified for use on all types of HVAC ductwork, including metal, fiberglass, and flexible ducts
- INDOOR/OUTDOOR DURABILITY: Weather-resistant sealant withstands various conditions, making it ideal for both interior and exterior use
- FAST-DRYING & LOW VOC: Quick application and reduced drying time, with low volatile organic compounds for safer use in sensitive environments
- EXCEEDS INDUSTRY STANDARDS: Surpasses all SMACNA Pressure and Sealing Classes, ensuring top-quality performance for your HVAC systems

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Red Devil |
| Part number | 0846DX |
| Item Weight | 476 g |
| Product Dimensions | 5.08 x 5.08 x 28.58 cm; 476.27 g |
| Item model number | 0846DX |
| Size | 10.1 Oz |
| Color | Gray |
| Style | F Seal |
| Finish | Brushed |
| Material | White |
| Pattern | Solid |
| Shape | Rectangular |
| Power source type | Hand_powered |
| Item Package Quantity | 1 |
| Included components | Duct Sealant |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Material:** White
- **Brand:** Red Devil
- **Style:** F Seal
- **Item weight:** 476 g
- **Item dimensions L x W x H:** 5.1 x 5.1 x 28.6 centimeters

## Images

![Red Devil 0846DX F-Seal 181 Fiber Reinforced Water Based Duct Sealant, 10.1 oz, Gray - Image 1](https://m.media-amazon.com/images/I/51GL4IS8GML.jpg)
![Red Devil 0846DX F-Seal 181 Fiber Reinforced Water Based Duct Sealant, 10.1 oz, Gray - Image 2](https://m.media-amazon.com/images/I/61DR9w5x7fL.jpg)
![Red Devil 0846DX F-Seal 181 Fiber Reinforced Water Based Duct Sealant, 10.1 oz, Gray - Image 3](https://m.media-amazon.com/images/I/61wXviPRg2L.jpg)
![Red Devil 0846DX F-Seal 181 Fiber Reinforced Water Based Duct Sealant, 10.1 oz, Gray - Image 4](https://m.media-amazon.com/images/I/61g4OiMBuXL.jpg)
![Red Devil 0846DX F-Seal 181 Fiber Reinforced Water Based Duct Sealant, 10.1 oz, Gray - Image 5](https://m.media-amazon.com/images/I/71BJyuDkMZL.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.it/products/326159295-red-devil-0846dx-f-seal-181-fiber-reinforced-water-based](https://www.desertcart.it/products/326159295-red-devil-0846dx-f-seal-181-fiber-reinforced-water-based)

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*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-01-23*