---
product_id: 384519424
title: "4 in. Square Plenum Box, Drawn, Airtight, 2-1/8 in. Deep, Gray | Airtight for Above-Ceiling Use, No Ground Screw Holes, UL Listed, 30.3 cu.in. Capacity, Plenum Box, Pre-Galvanized Steel"
brand: "raco"
price: "2114 som"
currency: KGS
in_stock: true
category: "Raco"
url: https://www.desertcart.kg/products/384519424-4-in-square-plenum-box-drawn-airtight-2-1-8
store_origin: KG
region: Kyrgyzstan
---

# 4 in. square size airtight knockouts for plenum use 30.3 cu. in. capacity 4 in. Square Plenum Box, Drawn, Airtight, 2-1/8 in. Deep, Gray | Airtight for Above-Ceiling Use, No Ground Screw Holes, UL Listed, 30.3 cu.in. Capacity, Plenum Box, Pre-Galvanized Steel

**Brand:** raco
**Price:** 2114 som
**Availability:** ✅ In Stock

## Summary

> 🔧 Elevate your electrical game with airtight precision!

## Quick Answers

- **What is this?** 4 in. Square Plenum Box, Drawn, Airtight, 2-1/8 in. Deep, Gray | Airtight for Above-Ceiling Use, No Ground Screw Holes, UL Listed, 30.3 cu.in. Capacity, Plenum Box, Pre-Galvanized Steel by raco
- **How much does it cost?** 2114 som with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/products/384519424-4-in-square-plenum-box-drawn-airtight-2-1-8)

## Best For

- raco enthusiasts

## Why This Product

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

## Key Features

- • **Generous 30.3 cu. in. Capacity:** Ample space for complex wiring needs without compromise
- • **Versatile Knockout Configuration:** Eleven 1/2 in. and five 3/4 in. knockouts for flexible installation
- • **Precision Engineered 4-in. Square:** Compact design fits seamlessly into any electrical setup
- • **Airtight Knockouts for Plenum Safety:** Ensures compliance and prevents air leaks in HVAC systems
- • **Robust Drawn Alloy Steel Construction:** Durable, UL Listed for trusted performance

## Overview

The RACO 4 in. Square Plenum Box is a UL Listed, drawn alloy steel electrical box designed for airtight plenum applications. Measuring 4 in. square by 2-1/8 in. deep, it features a spacious 30.3 cubic inch capacity and multiple 1/2 in. and 3/4 in. knockouts on all sides and bottom, ensuring versatile and secure wiring installations. Trusted by professionals for durability and compliance in HVAC and electrical projects.

## Description

RACO square box, 4-in. square x 2-1/8 in. Deep, drawn, with each side having two 1/2 in. And one 3/4 in. knockouts. Bottom has three 1/2 in. and two 3/4 in. knockouts. Knockouts are air-tight for plenum use.

## Features

- Drawn construction
- UL Listed
- 30.3 cu. in. capacity

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B003A2GWX4 |
| Best Sellers Rank | #42,816 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #98 in Electrical Boxes |
| Brand Name | RACO |
| Capacity | 30.3 cubic inches |
| Color | Gray |
| Customer Reviews | 4.5 4.5 out of 5 stars (300) |
| Finish Type | Painted |
| Global Trade Identification Number | 00050169002391 |
| Included Components | motor-accessories |
| Installation Type | Fixed" or "Permanent |
| Item Dimensions D x W x H | 2.18"D x 4"W x 4"H |
| Item Type Name | Eleven 1/2 and Five 3/4 in. Knockouts |
| Item Weight | 12 ounces |
| Manufacturer | Hubbell Electrical Products |
| Material | Alloy Steel |
| Model Number | 239 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | 239 |
| Specification Met | Ul Listed |
| Style | Compact |
| UPC | 050169002391 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** RACO
- **Color:** Gray
- **Material:** Alloy Steel
- **Product Dimensions:** 2.18"D x 4"W x 4"H
- **Style:** Compact

## Images

![4 in. Square Plenum Box, Drawn, Airtight, 2-1/8 in. Deep, Gray | Airtight for Above-Ceiling Use, No Ground Screw Holes, UL Listed, 30.3 cu.in. Capacity, Plenum Box, Pre-Galvanized Steel - Image 1](https://m.media-amazon.com/images/I/71H8vQ99LoL.jpg)

## Available Options

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

## Questions & Answers

**Q: Missing screws..I've never purchased elec boxes in the past that don't come with the screws...anyone?**
A: When you buy a cover which there's several different types they usually have the screw for attaching to the work box

## Frequently Bought Together

- Hubbell-Raco 239 4 in. Square Plenum Box, Eleven 1/2 and Five 3/4 in. Knockouts, Drawn, 2-1/8 in. Deep, Gray
- Airmont Products AP-12094, 4" Square Double Decora Switch Electrical Box Cover, 1/2" Raised, Exposed Work, Galvanized Steel, Crushed Corners, 2-Gang
- Hubbell-Raco 906C 1 Duplex Receptacle and Toggle Switch 4-Inch Square Exposed Work Cover, Steel

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**Shop now:** [https://www.desertcart.kg/products/384519424-4-in-square-plenum-box-drawn-airtight-2-1-8](https://www.desertcart.kg/products/384519424-4-in-square-plenum-box-drawn-airtight-2-1-8)

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*Product available on Desertcart Kyrgyzstan*
*Store origin: KG*
*Last updated: 2026-09-10*