Return Air Bulkheads
We provide Return Air Bulkheads with both two-piece and one-piece options allowing easy access to the refrigeration unit to service.
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Easy to Install
Simple to install in 15 minutes or less. No tools or E straps are required
Integrated
Pallet stops and debris screens are built into the bulkhead
Multiple Options
We have return air bulkheads suitable for heavy duty use, use with food products as well as integration with pallet stops
Easy to Remove
The bottom section is easy to remove for easy access to debris accumulation areas
Return Air Bulkheads
Signode provides four return air bulkhead products: DuroMax, Airhead, MaxAir, and Zephyr.
- DuroMax is a two-piece plastic bulkhead that gives you easy access to the refrigeration unit. The bottom section is removable for cleaning, and the top section slides off for easy servicing.
- Airhead is a one-piece plastic bulkhead that provides superior protection for the trailer front wall and better airflow to the refrigeration unit. It also features a built-in debris screen and crossover holes for added airflow.
- MaxAir is a deep-pan bulkhead that offers more square inches of opening for return air than any other plastic bulkhead on the market. It is made with durable HWM polyethylene plastic and installs in minutes.
- Zephyr is a customer-inspired bulkhead that meets the highest standards of functionality, convenience, design, and performance.
All of our return air bulkheads are made with high-quality materials and are designed to last for years. They are also easy to install and maintain.
Which bulkhead is right for you? Contact us today to learn more and find the perfect solution for your needs.
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Our Return Air Bulkhead Options
DuroMax Return Air Bulkhead
Features and Benefits
- Best airflow in the industry.
- No screws, tools or “E” straps needed to install.
- Fits Thermo King and Carrier units.
- Super tough integrated pallet stops are built into the bottom.
- The nesting features make the product easy to stock.
- Built-in debris screen.
- Allows for immediate access to refrigeration unit.
Airhead™ Return Air Bulkhead
Features and Benefits
- Patented one-piece construction.
- Built-in debris screen.
- Made with food grade approved material.
- Channels air to refrigeration unit.
- Pulls air evenly across the full width of the trailer, cooling and maintaining loads.
- Made of HMW polyethylene providing high impact resistance at extreme low temperatures.
- Crossover holes give added airflow protection even when obstructed by debris.
MaxAir Return Air Bulkhead
Features and Benefits
- Super tough integrated pallet stops have been molded into the button of the bulkhead, providing excellent front wall protection and impact resistance.
- Great for extreme heavy-duty applications such as the food service and dairy industries.
- MaxAir’s universal single unit construction & nesting features make them easy to stock.
- Thickest bulkhead on the market with 1/4" wall throughout the bulkhead and the recesses.
- Takes approximately 15 minutes to install.
Zephyr Return Air Bulkhead
Features and Benefits
- Molded with extra thick material
- Return air vents are close to trailer floor which allows for better return air performance
- Fits Thermo King and Carrier units
- Zephyr interlocks with removable pallet stops
- Adjustable mounting height
- Standard built-in screen included
- Quick release hardware allows for easy access to the unit for cleaning and maintenance
- All installation hardware included with each unit
- No straps or brackets needed to access reefer for cleaning or servicing