Venturi vents feature a contemporary horizontal louvered design that adds a clean look to any boat. These patented vents are sized for easy installation, even on highly-contoured decks. ABS plastic construction will not corrode or discolor.
For 3" or 4" ID ventilation system. Requires ATT 1341-1 collector box for 3" system, or ATT 1342-1 (special order only) for 4" system
Above-deck dimensions: 2-3/4"W x 17-9/16"L x 11/16"H
Pre-drilled with four holes for #8 screws