Coyote 2½″ Flex Elbow Adapter (03-1850)

Overview

The Coyote 03-1850 2½″ Flex Elbow Adapter provides efficient airflow management where straight hose connections aren’t possible.
Because it forms a controlled 90° bend, it prevents hose kinks, collapses, and air loss common with sharp corners.
As a result, it’s an essential fitting for tight dash panels, bulkheads, and under-seat HVAC systems.

Function and Performance

This 2½-inch elbow adapter maintains a consistent internal diameter through the bend, ensuring steady airflow and minimal restriction.
Its smooth, curved design reduces turbulence and backpressure, improving system performance.
In addition, the flexible coupling helps absorb vibration and minor misalignment between hose and outlet connections.
Therefore, it keeps the HVAC system running quietly and efficiently in any vehicle or equipment environment.

Durability and Design

Coyote molds the 03-1850 adapter from impact-resistant black ABS plastic that withstands vibration, heat, and UV exposure.
Because the material retains its shape under load, the elbow won’t flatten or deform over time.
The lightweight construction allows easy handling and installation while maintaining long-term durability.
This combination of strength and flexibility makes it ideal for both OEM and retrofit HVAC builds.

Installation

Installation is simple and fast.
Attach one end of the 2½″ elbow adapter to the louver or outlet, and the other to a matching flexible hose.
Standard clamps, zip ties, or friction-fit methods ensure a secure seal.
Because of its compact radius, it fits neatly into confined spaces without limiting airflow.

Applications

The Coyote 03-1850 Flex Elbow Adapter is widely used in bus, RV, agricultural, and construction HVAC systems, as well as industrial enclosures.
It’s particularly effective in installations that require a 90° directional turn, such as behind dash panels, roof units, and seat bases.

Specifications

• Series: Flexible Adapters and Fittings

• Part Number: 03-1850

• Size: 2½″ (63.5 mm)

• Angle: 90°

• Material: Black ABS plastic

• Function: Connects flexible ducting at right angles

• Applications: Bus, RV, truck, off-road, and industrial HVAC systems

• Features: Smooth airflow, compact bend radius, vibration-resistant, easy installation