Cirk-L-VentsCV Collection Provides an outlet for air movement in small confined spaces. Easy installation, drill and pop in.Model C-25 - Mill Finish Provides an outlet for air movement in small confined spaces. 2.34 square inches of Net Free Area.Model C-25 - White Provides an outlet for air movement in small confined spaces. 2.34 square inches of Net Free Area.Model C-25 - Brown Provides an outlet for air movement in small confined spaces. 2.34 square inches of Net Free Area.Model CV-1 - Brown Provides an outlet for air movement in small confined spaces. 0.23 square inches of Net Free Area.Model CV-1 - Brown Provides an outlet for air movement in small confined spaces. 0.23 square inches of Net Free Area.Model CV-1 - Mill Finish Provides an outlet for air movement in small confined spaces. 0.23 square inches of Net Free Area.Model CV-1 - White Provides an outlet for air movement in small confined spaces. 0.23 square inches of Net Free Area.Model CV-1 - White Provides an outlet for air movement in small confined spaces. 0.23 square inches of Net Free Area.Model CV-2 - Mill Finish Provides an outlet for air movement in small confined spaces. 1.5 square inches of Net Free Area.Model CV-2 - White Provides an outlet for air movement in small confined spaces. 1.5 square inches of Net Free Area.Model CV-2 - Brown Provides an outlet for air movement in small confined spaces. 1.5 square inches of Net Free Area.Model CV-2 - Brown Provides an outlet for air movement in small confined spaces. 1.5 square inches of Net Free Area.Model CV-3 - Brown Provides an outlet for air movement in small confined spaces. 2.57 square inches of Net Free Area.Model CV-3 - White Provides an outlet for air movement in small confined spaces. 2.57 square inches of Net Free Area.Model CV-3 - Mill Finish Provides an outlet for air movement in small confined spaces. 2.57 square inches of Net Free Area.Model CV-3 - Brown Provides an outlet for air movement in small confined spaces. 2.57 square inches of Net Free Area.Model CV-4 - Mill Finish Provides an outlet for air movement in small confined spaces. 3 square inches of Net Free Area.Model CV-4 - White Provides an outlet for air movement in small confined spaces. 3 square inches of Net Free Area.Model CV-4 - Weathered Bronze Provides an outlet for air movement in small confined spaces. 3 square inches of Net Free Area.Model CV-4 - Brown Provides an outlet for air movement in small confined spaces. 3 square inches of Net Free Area.Model CV-4 - Black Provides an outlet for air movement in small confined spaces. 3 square inches of Net Free Area.Model CV-4 - Black Provides an outlet for air movement in small confined spaces. 3 square inches of Net Free Area.Model D-16 - Mill Finish Provides an outlet for air movement in small confined spaces. 0.44 square inches of Net Free Area.Model D-16 - Mill Finish Provides an outlet for air movement in small confined spaces. 0.44 square inches of Net Free Area.Model D-16 - Brown Provides an outlet for air movement in small confined spaces. 0.44 square inches of Net Free Area.Model D-16 - White Provides an outlet for air movement in small confined spaces. 0.44 square inches of Net Free Area.Model L-38 - Mill Finish Provides an outlet for air movement in small confined spaces. 1.63 square inches of Net Free Area.Model L-38 - White Provides an outlet for air movement in small confined spaces. 1.63 square inches of Net Free Area.Model L-38 - Brown Provides an outlet for air movement in small confined spaces. 1.63 square inches of Net Free Area.Model L-38 - Mill Finish Provides an outlet for air movement in small confined spaces. 1.63 square inches of Net Free Area.Model P-18 - White Provides an outlet for air movement in small confined spaces. 0.20 square inches of Net Free Area.Model P-18 - Mill Finish Provides an outlet for air movement in small confined spaces. 0.20 square inches of Net Free Area.Model P-18 - Brown Provides an outlet for air movement in small confined spaces. 0.20 square inches of Net Free Area.Model P-18 - Mill Finish Provides an outlet for air movement in small confined spaces. 0.20 square inches of Net Free Area.