Products Ventilator Other Ventilator Back Clamshell Ventilator 197-00884-00 Item Number :197-00884-00 Material: Stainless Steel Size: 5-1/8"x4-1/2"x2-1/8" You May Also Be Interested In Clamshell Ventilator 197-00884-00 Slotted Ventilator 956-03725-00 Mini Block 956-18120-00 Thru Hull Vent for Pipe (90° Elbow) UP 197-00204-00