Rockler Dust Right Mountable Dust Coupler - 2-1/2" to 4"

• Mounts to bench, wall or cabinet for quick and accessible hose connection
• Speeds up switching between tools without reaching behind machinery
• Available in 2-1/2", 4" and combined 2-1/2" to 4" configurations
• Can be used as a fixed connection point or to join hoses
• Durable reinforced ABS construction for long-term workshop use

Bring Dust Collection Within Reach

The Mountable Dust Coupler is designed to position your dust connection exactly where you need it—on the bench, wall or machine stand. No more reaching behind equipment or working blind to connect your extraction.

Faster, Simpler Workflow

By creating a visible and accessible connection point, this coupler makes it far easier to move a single hose between machines. It’s a practical solution that improves efficiency, particularly in workshops without fixed ducting.

Flexible Configurations to Suit Your Setup

Available in multiple sizes, the system adapts to your machinery and hose setup—whether you’re working with smaller handheld tools, full-size machines or a mix of both.

2-1/2" Coupler

Designed for shop vacuum systems and smaller tools, this version fits inside standard 2-1/2" hose and is compatible with small-port hose kits. It can also be used to join hoses for extended reach.

4" Coupler

Ideal for larger machines, this version features a stepped design that fits standard 4" hose as well as quick-change handles, making it a versatile fixed connection point.

2-1/2" to 4" Coupler

A hybrid solution that bridges small and large dust systems. Use it to connect different hose sizes or to create a flexible station where either hose can be quickly attached as needed.

Built for the Workshop Environment

Reinforced mounting points allow installation in a variety of positions—on top or underneath benches, on cabinet sides or wall-mounted boards. The durable ABS construction ensures reliable performance over time.