---
product_id: 470382163
title: "DIAL 3437 Mastercool Cooler Pad, 40\" x 23\" x 8\""
brand: "dial"
price: "€ 9.52"
currency: EUR
in_stock: false
reviews_count: 5
url: https://www.desertcart.es/products/470382163-dial-3437-mastercool-cooler-pad-40-x-23-x-8
store_origin: ES
region: Spain
---

# Fast wet-out technology 4800 CFM airflow Heavy cellulose durability DIAL 3437 Mastercool Cooler Pad, 40" x 23" x 8"

**Brand:** dial
**Price:** € 9.52
**Availability:** ❌ Out of Stock

## Summary

> ❄️ Stay cool, stay ahead — upgrade your comfort game now!

## Quick Answers

- **What is this?** DIAL 3437 Mastercool Cooler Pad, 40" x 23" x 8" by dial
- **How much does it cost?** € 9.52 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/470382163-dial-3437-mastercool-cooler-pad-40-x-23-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

- • **Built to Last:** Heavy cellulose construction infused with anti-rot agents ensures long-lasting performance.
- • **Hassle-Free Setup:** No assembly required—just box it, install it, and enjoy refreshing cool air.
- • **Quick Wet-Out Design:** Absorbs water rapidly for instant cooling relief when you need it most.
- • **Seamless Compatibility:** Perfectly fits MasterCool and AeroCool single inlet evaporative coolers without extra shims.
- • **Powerful 4800 CFM Airflow:** Maximize cooling efficiency with high-velocity air circulation.

## Overview

The DIAL 3437 Mastercool Cooler Pad is a 40" x 23" x 8" replacement pad designed for single inlet evaporative coolers delivering 4800 CFM airflow. Constructed from heavy cellulose and treated with plastic resins and anti-rot agents, it offers durability and fast water absorption for efficient cooling. Compatible with MasterCool and AeroCool models, it requires no assembly and is ready to install out of the box.

## Description

"MASTERCOOL" REPLACEMENT COOLER PAD FOR 4800 CFM 40"W x 23"H x 8"D For single inlet evaporative coolers Grooved 4800 CFM 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

Review: they fit with out a side shim, I used dawn soap 4 table spoons, ran it, smell gone after 3 hours
Review: Great Price. They are not exactly the same as the originals but I believe they are even better.

## Features

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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000UJCCP2 |
| Batteries required | No |
| Customer Reviews | 4.5 4.5 out of 5 stars (202) |
| Date First Available | 16 August 2012 |
| Included components | mattress-pads |
| Is assembly required | No |
| Item Weight | 1 Pounds |
| Item model number | 3437 |
| Product Dimensions | 53.34 x 42.37 x 60.66 cm; 453.59 g |

## Images

![DIAL 3437 Mastercool Cooler Pad, 40" x 23" x 8" - Image 1](https://m.media-amazon.com/images/I/81ueiUEOAgL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by K***R on 8 September 2025*

they fit with out a side shim, I used dawn soap 4 table spoons, ran it, smell gone after 3 hours

### ⭐⭐⭐⭐⭐ Review
*by K***D on 29 November 2025*

Great Price. They are not exactly the same as the originals but I believe they are even better.

### ⭐⭐⭐⭐ Review
*by R***L on 29 September 2024*

it comes in two parts that fit side by side in your swamp cooler. the directions were not thorough to me, but i watched another review which instructed me on which direction to install them. if installed backwards, the air flow is not good and thus, won't cool off effectively. they stamped directional arrows on the sides, but it was somewhat faded and hard to read. once installed, they worked well. i did not smell a weird odor when first installed and the swamper turned on....as others smelled. overall i'm satisfied!

## Frequently Bought Together

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

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**Shop now:** [https://www.desertcart.es/products/470382163-dial-3437-mastercool-cooler-pad-40-x-23-x-8](https://www.desertcart.es/products/470382163-dial-3437-mastercool-cooler-pad-40-x-23-x-8)

---

*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-02-06*