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Schellenberg 46600 Universal Window Trickle Vent in White provides passive ventilation for window casements, ensuring a constant flow of fresh air while keeping insects and rain out.

Schellenberg 46600 Universal Window Trickle Vent in White provides passive ventilation for window casements, ensuring a constant flow of fresh air while keeping insects and rain out.

Schellenberg 46600 Universal Window Trickle Vent in White provides passive ventilation for window casements, ensuring a constant flow of fresh air while keeping insects and rain out.

Schellenberg 46600 Universal Window Trickle Vent in White provides passive ventilation for window casements, ensuring a constant flow of fresh air while keeping insects and rain out.