4 Inch Backdraft Damper – Inline Duct Connector – Round Plastic Check Valve

$18.48
Shipping calculated at checkout.

Product Overview

From the materials to the finish, the 4 Inch Backdraft Damper (female) – Inline Duct Connector – Round Plastic Check Valve for HVAC Exhaust & Ventilation Systems – One Way Airflow Vent Flap – Backflow Preventer with Gravity Flap reflects lightweight choices that support satisfying experience in common scenarios. Constructed using Plastic, measuring 4 Inch, available in White. Notable features include compatibility male and male fit, contributing to its versatile character.

Key Features

  • COMPATIBILITY – Male fit coupler is designed for standard round ventilation ducts used in bathroom fans, inline extractor fans, hydroponics setups, and general air movement systems.
  • DURABLE PLASTIC CONSTRUCTION – Air Duct Connector is made from lightweight, corrosion-resistant PVC that performs reliably in temperatures from 23°F to 140°F, making it suitable for everyday ventilation use.
  • BUILT-IN BACKDRAFT PROTECTION – Designed to allow airflow in one direction only, helping prevent reverse air movement, drafts, and unwanted odors entering the duct system.
  • QUIET & LOW-RESISTANCE OPERATION – Balanced lightweight flap opens easily under airflow and closes gently when the fan stops, maintaining smooth, efficient ventilation without mechanical noise.
  • EASY INSERT INSTALLATION – Simple push-in design allows quick installation inside ducting without complex tools, suitable for residential and commercial ventilation setups.

Why Choose the LIRAST 4 Inch Backdraft Damper (female) – Inline Duct Connector – Round Plastic Check Valve for HVAC Exhaust & Ventilation Systems – One Way Airflow Vent Flap – Backflow Preventer with Gravity Flap

The 4 Inch Backdraft Damper (female) – Inline Duct Connector – Round Plastic Check Valve for HVAC Exhaust & Ventilation Systems – One Way Airflow Vent Flap – Backflow Preventer with Gravity Flap approaches ventilation equipment from a value-driven perspective, with compatibility male that produces practical use. A solid choice for users who value substance.

Best For

The LIRAST 4 Inch Backdraft Damper (female) – Inline Duct Connector – Round Plastic Check Valve for HVAC Exhaust & Ventilation Systems – One Way Airflow Vent Flap – Backflow Preventer with Gravity Flap is best suited for: standard round ventilation ducts used in bathroom fans, everyday ventilation use, residential and commercial ventilation setups.

Quick Summary

The LIRAST 4 Inch Backdraft Damper (female) – Inline Duct Connector – Round Plastic Check Valve for HVAC Exhaust & Ventilation Systems – One Way Airflow Vent Flap – Backflow Preventer with Gravity Flap is a Ventilation Equipment product by LIRAST. Size: 4 Inch. Material: Plastic. Brand: LIRAST. Color: White. Item dimensions L x W x H: 4 x 4 x 2.4 inches. Price: $18.48.

Product Specifications

Specification Details
Size 4 Inch
Material Plastic
Brand LIRAST
Color White
Item dimensions L x W x H 4 x 4 x 2.4 inches
Connector Type Pipe connector
Exterior Finish Plastic
Number of Pieces 1
Unit Count 1.0 Count

Benefits

Nourishing
Hydrating
Soothing

Won't clog pores
Lightweight

4 Inch Backdraft Damper – Inline Duct Connector – Round Plastic Check Valve by LIRAST