Roof Vent, Manual Opening (17511-C1G) by Heng's®. For 9" x 9". With Screen. Without Fan. Colonial White. Plastic. With 7/8" Garnish. With Brown Craft Box Package. This convenient lightweight vent is ideal for providing fresh air in small places such as bathrooms, passageways, galleys, etc. This mini vent is weatherproof due to the quality high-impact plastic used in its construction. Available in white and colonial white with 7/8 Inch plastic garnish.