---
product_id: 9400028
title: "CRL Satin Anodized Finish Aluminum No-Draft Speak-Thru"
brand: "crl"
price: "HK$609"
currency: HKD
in_stock: true
reviews_count: 8
category: "Crl"
url: https://www.desertcart.hk/products/9400028-crl-satin-anodized-finish-aluminum-no-draft-speak-thru
store_origin: HK
region: Hong Kong
---

# Theft-proof locking device Eliminates drafts for climate control Easy installation with included screws & gaskets CRL Satin Anodized Finish Aluminum No-Draft Speak-Thru

**Brand:** crl
**Price:** HK$609
**Availability:** ✅ In Stock

## Summary

> 🔊 Speak Clearly, Lock Securely, Stay Draft-Free!

## Quick Answers

- **What is this?** CRL Satin Anodized Finish Aluminum No-Draft Speak-Thru by crl
- **How much does it cost?** HK$609 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/9400028-crl-satin-anodized-finish-aluminum-no-draft-speak-thru)

## Best For

- crl enthusiasts

## Why This Product

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

## Key Features

- • **Versatile Fit Range:** Designed to fit holes from 2-1/4 to 4-1/4 inches, with optional longer screws for thicker glass, ensuring adaptability to your space.
- • **Effortless Installation:** Comes with all necessary mounting hardware and gaskets for a quick, hassle-free setup on glass up to 1/4 inch thick.
- • **Draft-Free Communication:** Engineered to block cold drafts while allowing clear voice transmission, enhancing comfort and professionalism.
- • **Secure & Tamper-Resistant:** Keep your transaction window safe with a theft-proof locking mechanism that deters unauthorized access.
- • **Sleek Satin Anodized Finish:** Modern aluminum finish that complements any public-facing window or ticket booth with a clean, polished look.

## Overview

The CRL Satin Anodized Finish Aluminum No-Draft Speak-Thru (Model 834A) is a premium, easy-to-install aluminum communication port designed for ticket windows and public service counters. It features a theft-proof locking device, effectively eliminates drafts, and fits glass thicknesses up to 1/4 inch with optional hardware for thicker installations. Its satin anodized finish offers a sleek, professional appearance while ensuring clear voice transmission and secure, tamper-resistant operation.

## Description

C.R. LAURENCE 834A CRL Satin Anodized Aluminum 5-5/16" No-Draft Speak-Thru. CRL No-Draft Speak-Thrus are designed to allow audible transmission of voice requests at ticket windows, box offices and more. They prevent tampering from the outside, and stop drafts to the interior. The 834 Series is made of aluminum. Each unit is individually boxed with gaskets and mounting screws for installation on glass up to 1/4 inch (6 millimeter) thick. For thicker glass up to 3-3/4 inch (95 millimeters), you can use the optional four inch (102 millimeter) screws Cat. No. 8324. CRL No-Draft Speak-Thrus require a minimum hole diameter of 2-1/4 inch (57 millimeter), and will cover holes up to 4-1/4 inch (108 millimeter). Recommended hole diameter is 3-1/2 inch (89 millimeter)..

Review: Profesional look. - Fits as described. It looks clean and well made. I initially thought that it would slip or slide down, but the cork inserts prevents that from doing so. It prevents cold drafts from entering into the booth. We are currently purchasing a second one.
Review: Exactly what I needed. - They fit perfectly, exactly what I needed. Would recommend, great quality for the price for sure!

## Features

- Easy-to-Install
- Eliminates Drafts
- Theft-Proof Locking Device

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | CRL |
| Color | Satin Anodized |
| Finish Type | Satin Anodized |
| Material | Aluminum |
| Mounting Type | Wall Mount |
| Recommended Uses For Product | windows |

## Product Details

- **Brand:** CRL
- **Color:** Satin Anodized
- **Finish Type:** Satin Anodized
- **Hole Count:** 1
- **Installation Type:** Single Hole
- **Material:** Aluminum
- **Mounting Type:** Wall Mount
- **Number of Handles:** 1
- **Recommended Uses For Product:** windows
- **Style:** Modern

## Images

![CRL Satin Anodized Finish Aluminum No-Draft Speak-Thru - Image 1](https://m.media-amazon.com/images/I/71YQMS72rLL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Profesional look.
*by J***Z on January 25, 2017*

Fits as described. It looks clean and well made. I initially thought that it would slip or slide down, but the cork inserts prevents that from doing so. It prevents cold drafts from entering into the booth. We are currently purchasing a second one.

### ⭐⭐⭐⭐⭐ Exactly what I needed.
*by A***Y on September 15, 2025*

They fit perfectly, exactly what I needed. Would recommend, great quality for the price for sure!

### ⭐⭐⭐⭐⭐ Flexibility
*by K***H on September 13, 2024*

This product looks good and is well thought out the gasket will accept or cover holes anywhere from 3" to About 4.5". Very clean and professional looking.

## Frequently Bought Together

- CRL Satin Anodized Finish Aluminum No-Draft Speak-Thru
- Mophorn 304 Stainless Steel Drop-in Deal Tray 12" Deep x 10" Wide x 1.6" High Brushed Finish for Cash Register Window
- Retevis RT-9908 Window Speaker,Window Intercom Dual-Way Voice,Window Speaker Intercom System for Business,Bank,Ticket Window

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**Shop now:** [https://www.desertcart.hk/products/9400028-crl-satin-anodized-finish-aluminum-no-draft-speak-thru](https://www.desertcart.hk/products/9400028-crl-satin-anodized-finish-aluminum-no-draft-speak-thru)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-02-06*