---
product_id: 70288708
title: "Constant Airflow Regulator 4\" (30-60 CFM)"
brand: "eflow usa"
price: "315 zł"
currency: PLN
in_stock: true
url: https://www.desertcart.pl/products/70288708-constant-airflow-regulator-4-30-60-cfm
store_origin: PL
region: Poland
---

# Constant Airflow Regulator 4" (30-60 CFM)

**Brand:** eflow usa
**Price:** 315 zł
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Constant Airflow Regulator 4" (30-60 CFM) by eflow usa
- **How much does it cost?** 315 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/70288708-constant-airflow-regulator-4-30-60-cfm)

## Best For

- eflow usa enthusiasts

## Why This Product

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

## Description

The Constant Airflow Regulators control of the airflow is essential to optimize energy consumption while providing good air quality. Introducing Constant Airflow Regulator by eFlow USA. Our Constant Airflow Regulators, also known as Automatic Balancing Dampers are UL Classified devices that automatically adjust to environmental changes in stack pressure and accurately regulate airflow. Constant airflow regulators are self-regulating and adjustable flow-regulators for commercial and residential buildings. The requested airflow is fixed by a screw driver. It is automatically calibrated to varying pressures without using electricity. Constant airflow regulators save energy and money by precisely controlling airflow into or out of space, regardless of static pressure, and all along providing good air quality. Other sizes available 3" 4" 5" 6" 8" 10" For technical support call 1-833-FLOW-USA

## Features

- UL Classified     No Electricity Required     Airflow Balancing     Adjustable-no special tools required     Bi-Directional    ›See more product details

## Images

![Constant Airflow Regulator 4" (30-60 CFM) - Image 1](https://m.media-amazon.com/images/I/414Kuw0gQeL.jpg)
![Constant Airflow Regulator 4" (30-60 CFM) - Image 2](https://m.media-amazon.com/images/I/41TlEXby76L.jpg)
![Constant Airflow Regulator 4" (30-60 CFM) - Image 3](https://m.media-amazon.com/images/I/81DJ2PAzMSL.jpg)
![Constant Airflow Regulator 4" (30-60 CFM) - Image 4](https://m.media-amazon.com/images/I/417nAyu7r3L.jpg)
![Constant Airflow Regulator 4" (30-60 CFM) - Image 5](https://m.media-amazon.com/images/I/51GEENdzhyL.jpg)

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-03-13*