Return Air Filter Box

Return Air Filter Box: Precision-Engineered HVAC Protection
Designed for clean air systems, our return air filter box offers exceptional particle retention and extended service life. With 20+ years of specialized filter production and a 6,500㎡ factory, we deliver precision-engineered solutions for global clients .

Send Inquiry

Products Description

The Return Air Filter Box is a critical component for maintaining HVAC system integrity, designed with heavy-duty galvanized steel for commercial and industrial applications. Our 20+ years of manufacturing expertise ensures leak-proof performance with customizable sizing solutions.

Core Features

1. Structural Durability
• Constructed with 20-gauge galvanized steel (corrosion-resistant finish)
• Reinforced seams and flanges prevent air bypass

2. Modular Design
• End caps & collars (round 8"-12") accommodate duct connections
• Dual flange system for 16x20x1 filters (adjustable depth)

3. Installation-Ready
• Pre-drilled mounting holes with gasket seals
• Compatible with MERV 8-13 pleated filters

Technical Specifications Of return air filter box

Parameter	Details
Standard Sizes	14x20", 16x24", 20x25" (customizable)
Pressure Rating	Up to 2.0" w.g. static pressure
Accessories	Hinged access doors, slide tracks
MOQ	50 units (supports trial orders)