UV-stabilized durable polymer resin ; Removable damper & screen for intake & exhaust ; 1/2 x 1/2 molded grid ; 3 1/4 x 10 ; White;
UV-stabilized durable polymer resin ; Removable damper & screen for intake & exhaust ; 1/2 x 1/2 molded grid ; 3 1/4 x 10 ; White;