louvered vents for directed air flow with flange are made of injection-molded ABS plastic to ensure resistant to marine environment.

it is a single Louvered 4" hose vent for directed air flow. This vent measures 5" x 5" across the face, and has a 2" long flange. Fits a 4" hose. The mounting holes are 3 1/2" across center on center. Made from injection molded ABS plastic. All measurements are approximate.

Type: Louvered
Material: ABS plastic
Dimensions: 5" x 5" x 2" D
Cutout Size: 4" hose