---
product_id: 31835677
title: "Click Here to Learn More"
brand: "red devil"
price: "€ 29.22"
currency: EUR
in_stock: true
category: "Red Devil"
url: https://www.desertcart.pt/products/31835677-click-here-to-learn-more
store_origin: PT
region: Portugal
---

# Fast-drying, low VOC formula Fiber-reinforced for leak-free HVAC UL 181 A-M & B-M certified Click Here to Learn More

**Brand:** red devil
**Price:** € 29.22
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** Click Here to Learn More by red devil
- **How much does it cost?** € 29.22 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/31835677-click-here-to-learn-more)

## 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

- • **Seal with Confidence:** Fiber-reinforced formula guarantees superior leak protection for your HVAC system’s peak performance.
- • **Certified Versatility:** UL 181 A-M & B-M certification means it’s trusted for all duct types—metal, fiberglass, and flexible.
- • **Fast & Safe Application:** Quick drying with low VOCs keeps your workspace healthier and your project on schedule.
- • **Built to Last Indoors & Out:** Weather-resistant durability ensures your seal stands strong against the elements, inside or outside.
- • **Industry-Leading Performance:** Exceeds SMACNA Pressure and Sealing Classes for professional-grade reliability every time.

## Overview

Red Devil 0846DX F Seal 181 is a premium fiber-reinforced, water-based duct sealant designed for superior leak-proof sealing of HVAC systems. UL 181 A-M & B-M certified, it works seamlessly on metal, fiberglass, and flexible ducts. Its weather-resistant, fast-drying, and low VOC formula ensures durable, safe use indoors and outdoors, surpassing industry standards for pressure and sealing performance.

## Description

Red Devil 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 DEVIL: Red Devil is still a privately-owned family business with state-of-the-art manufacturing facilities in Pryor, Oklahoma. Click on the Red Devil 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 |
|---------------|-------|
| ASIN | B01I7JVUR2 |
| Best Sellers Rank | #13,082 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #52 in Hardware Sealers |
| Brand Name | Red Devil |
| Color | Gray |
| Compatible Material | Metal |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,564) |
| Global Trade Identification Number | 00075339003480 |
| Included Components | Duct Sealant |
| Item Dimensions | 2 x 2 x 11.25 inches |
| Item Form | Liquid |
| Item Type Name | Water Based Duct Sealant, 10.1 oz |
| Item Weight | 1.1 pounds |
| Manufacturer | Red Devil |
| Material Type | Acrylic |
| Model | 0846DX |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | 0846DX |
| Style Name | 1 - Pack |
| Surface Recommendation | Metal |
| UPC | 075339003480 |
| Unit Count | 1 Count |
| Water Resistance Level | Water Resistant |

## Product Details

- **Brand:** Red Devil
- **Item Weight:** 1.1 pounds
- **Item dimensions L x W x H:** 2 x 2 x 11.25 inches
- **Material:** Acrylic
- **Style:** 1 - Pack

## Images

![Click Here to Learn More - Image 1](https://m.media-amazon.com/images/I/51GL4IS8GML.jpg)

## Available Options

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

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-10-25*