---
product_id: 297414848
title: "DIAL 3438 Mastercool Cooler Pad, 40\" x 28\" x 8\""
brand: "dial"
price: "$2584.38"
currency: USD
in_stock: false
reviews_count: 5
url: https://www.desertcart.ec/products/297414848-dial-3438-mastercool-cooler-pad-40-x-28-x-8
store_origin: EC
region: Ecuador
---

# 6800 CFM high airflow 40" x 28" x 8" precise fit anti-rot resin durability DIAL 3438 Mastercool Cooler Pad, 40" x 28" x 8"

**Brand:** dial
**Price:** $2584.38
**Availability:** ❌ Out of Stock

## Summary

> ❄️ Stay Cool, Stay Ahead – Upgrade Your Evaporative Cooler Today!

## Quick Answers

- **What is this?** DIAL 3438 Mastercool Cooler Pad, 40" x 28" x 8" by dial
- **How much does it cost?** $2584.38 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/297414848-dial-3438-mastercool-cooler-pad-40-x-28-x-8)

## Best For

- dial enthusiasts

## Why This Product

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

## Key Features

- • **Seamless Compatibility:** Perfectly fits MasterCool and AeroCool models, making replacement hassle-free.
- • **Rapid Wet-Out Technology:** Grooved design accelerates water absorption for faster, more effective cooling.
- • **Trusted by Professionals:** Highly rated with 4.4 stars from 159 reviews, delivering reliable cooling performance.
- • **Durability That Lasts Seasons:** Heavy cellulose construction impregnated with plastic resins and anti-rot agents for extended lifespan.
- • **Tailored Fit for Peak Performance:** Specifically designed for 6800 CFM evaporative coolers ensuring optimal cooling efficiency.

## Overview

The DIAL 3438 Mastercool Cooler Pad is a premium replacement pad measuring 40" x 28" x 8", engineered for 6800 CFM single inlet evaporative coolers. Featuring heavy cellulose construction with anti-rot plastic resin impregnation, it ensures long-lasting durability and rapid water absorption. Compatible with MasterCool and AeroCool models, this grooved pad delivers high air velocity and efficient cooling, backed by strong customer satisfaction.

## Description

Mastercool Replacement Cooler PadFor single inlet evaporative coolers. Grooved. Use on MasterCool and AeroCool coolers. Heavy cellulose construction for long life. Fast wet-out. High air velocity. Impregnated with plastic resins and anti-rot agents. Boxed.No. 3437: MasterCool replacement cooler pad for model No. 4800 CFM, 40" W. x 23" H. x 8" D.No. 3438: MasterCool replacement cooler pad for model No. 6800 CFM, 40" W. x 28" H. x 8" D.

Review: Working excellent!
Review: Fit our evaporator cooler perfectly…

## Features

- The product is easy to use
- The product is highly durable
- The product is manufactured in China

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B003JV1NJY |
| Box Contents | mattress-pads |
| Brand | Dial |
| Brand Name | Dial |
| Colour | brown |
| Cooling Method | Air |
| Customer Reviews | 4.4 out of 5 stars 159 Reviews |
| Enclosure Material | Specialty |
| Global Trade Identification Number | 00026529343800 |
| Item Height | 29.25 Inches |
| Item Weight | 454 g |
| Item Weight Unit of Measure | 454 g |
| Manufacturer | Standard Plumbing Supply |
| Material | Specialty |
| UPC | 026529343800 |

## Product Details

- **Colour:** brown
- **Brand:** Dial
- **Material:** Specialty
- **Item Weight:** 1 Pounds
- **Cooling Method:** Air

## Images

![DIAL 3438 Mastercool Cooler Pad, 40" x 28" x 8" - Image 1](https://m.media-amazon.com/images/I/71EWdzWSNSL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Working excellent!
*by T***M on 25 June 2023*



### ⭐⭐⭐⭐ Fit our evaporator cooler perfectly…
*by D***N on 21 June 2025*



### ⭐⭐⭐⭐⭐ Perfect fit
*by R***E on 29 July 2024*



## Frequently Bought Together

- Dial 3438 Mastercool Cooler Pad, 40" x 28" x 8"
- Dial 3437 Mastercool Cooler Pad, 40" x 23" x 8"
- Dial Manufacturing DIAL-40867, No Color

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**Shop now:** [https://www.desertcart.ec/products/297414848-dial-3438-mastercool-cooler-pad-40-x-28-x-8](https://www.desertcart.ec/products/297414848-dial-3438-mastercool-cooler-pad-40-x-28-x-8)

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*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-01-25*