4" Hose Flange

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This model is for a 4-inch hose flange. It allows a standard 4" hose used for ventilation, to be mounted to a wall or other surface. See my other designs for a filter base that attaches to the opposite side.

There are four holes sized for #10 screws, spaced 5 inches on center. Requires a hose clamp to secure the hose completely, though with the taper it is quite a snug fit, and may not be needed in some cases.