Product Specification

POPULA Aluminum Air Outlet Series

Aluminum alloy air outlets (ventilation diffusers & louvers) are terminal air distribution fittings for HVAC ventilation systems. Made of high-strength aluminum alloy with electrostatic spray coating, widely used for air supply & return air in office buildings, factories, hotels, shopping malls and commercial ventilation projects.

Full Product Classification & Introduction

Double Deflection Adjustable Air Grille

Structure: Two layers of independently adjustable blades; horizontal blades control air throw distance, vertical blades adjust airflow diffusion direction. Application: Main supply air outlet for central air conditioning, offices, shopping malls, hotel rooms. Feature: Omni-directional airflow adjustment; can match built-in air volume damper.

Single Deflection Adjustable Air Grille

Structure: Single layer rotatable blade to adjust airflow angle. Application: Return air grille or basic supply air outlet. Feature: Simple structure, economical cost, convenient airflow direction control.

Weatherproof Louver / Rainproof Louver

Structure: Inward inclined curved blade with built-in water baffle; prevents rainwater infiltration. Application: Outdoor wall ventilation openings, exhaust air outlet on building exterior walls. Feature: Waterproof, dust shielding, protect internal fans & ducts.

Gravity Operated Self-acting Louver

Structure: Free swing aluminum blades, automatically open under fan air pressure; close by gravity when fan stops. Application: Exhaust fan terminal outlet, prevent natural air reverse flow when equipment shut down. Feature: No extra motor required; function as one-way air check valve.

Single Deflection Decorative Panel

Decorative integrated louver panel for concealed ventilation systems. Usage: Indoor decorative return air opening.

Double Layer Decorative Panel with Access Door

Equipped with removable inspection access door, easy to clean internal filter screen. Usage: Return air grille with filter, commonly used for fresh air systems.

Hinged Access Louver

Hinge removable frame design, convenient to take out filter screen for cleaning. Usage: Return air outlet matched with filter device.

Round Ceiling Diffuser

Multi-layer concentric circular blades, 360° uniform radial air diffusion. Application: Ceiling mounted supply air for office, lobby, supermarket.

Square Ceiling Diffuser

Canopy exhaust hood multi-layer square blade structure, uniform downward & surrounding air diffusion. Application: Ceiling air supply for central air conditioning, shopping malls, exhibition halls.

General Product Specifications

Raw Material: High-quality aluminum alloy plate, common material thickness: 0.8mm / 1.0mm / 1.2mm

Surface Treatment: Electrostatic powder spraying (polyester paint); standard white RAL9010; custom colors available.

Core Function: Air supply, return air, outdoor exhaust, rain protection, airflow adjustment, backflow prevention.

Installation Type: Ceiling recessed mounting, wall surface embedded mounting, exterior wall installation.

Customization: All models support non-standard custom opening dimensions; short lead time for bulk OEM orders.

Important Order Reminders

Confirm opening size (hole dimension) and face frame dimension before ordering.

Clarify blade orientation: long blade horizontal / vertical.

Optional accessory: built-in aluminum air volume control damper.

Typical Application Scenarios

Office buildings, factory workshops, hotel guest rooms, supermarkets, shopping malls, catering venues, underground parking lots, hospital ventilation systems, fresh air engineering projects.