Description
Transitions high-volume 6-inch main lines down to 4-inch drops for specific tool connections. The Magnum W1073 (KMS SKU: DC-W1073) optimizes airflow by providing a smooth internal taper that reduces turbulence and prevents debris clogs. It is essential for workshops running large-diameter main trunks.
- High-Impact Plastic – Resists the abrasive wear of high-velocity wood chips and dust.
- Tapered Profile – Maintains maximum CFM by minimizing the air resistance at the transition point.
- Precision Fit – Designed to fit standard 6-inch and 4-inch hoses and fittings.
Specifications
- Large End – 6 Inch OD
- Small End – 4 Inch OD
- Dimensions – 6.5 x 6.5 x 5.0 Inches (16.5 x 16.5 x 12.7 cm)
- Weight – 0.8 lbs (0.36 kg)
- Supplier Part Number: W1073
- KMS Product Code: DC-W1073
Recommended Shop Add-Ons
- Don’t forget: 6 Inch Hose – To connect this reducer to your main shop trunk.
- You’ll also need: 4 Inch Hose Clamp – For securing the reduced line to your tool.
Frequently Asked Questions
Q: Can I use this in reverse to expand? A: Yes, though expanding airflow can lead to a drop in static pressure/suction at the tool.
Q: Is this compatible with PVC pipe? A: It fits most standard 4″ and 6″ dust collection fittings; PVC sizing may require a flexible coupler.









