Attwood Twist-On Hose Flange
The Attwood Twist-On Hose Flange installs from topside by turning the flange into the hose spiral, passing the hose through the deck hole, then mounting the ventilator.
- Designed for use with 3" inside diameter wire-supported ventilation hose
- No hose clamps needed
- Cut-Out Dimensions: 3-1/4" to 3-1/2" Diameter
- Fasteners: #10 screws (sold separately)
Trident Polyduct Blower Hose - 3 Inch
Item #: 901849HOS300