Whitecap's S-1330P Flat Louvered Ventilator is made from high quality marine-grade 304 stainless steel. Built for durability and longevity. Vent size is 4-1/2" x 9".
Flat louvered ventilator 304 stainless steel construction Vent Area: 3.24" squared Size: 4.5" x 9" Fastener: #8 (10)