A gutter protection device includes an elongated frame having opposite first and second edge portions, opposite first and second end portions, an elongated recessed portion in a medial portion thereof, and one or more insert panels removably secured within the recessed portion. The recessed portion extends from the frame first end portion to the frame second end portion, and includes a plurality of gutter access openings arranged longitudinally in end-to-end spaced-apart relationship. Each insert panel is removably secured within the frame recessed portion, and includes opposite first and second edge portions, opposite end portions, and opposite upper and lower surfaces. Each panel includes a plurality of spaced-apart openings formed therethrough that permit water to flow into a rain gutter. A filtering screen is secured to the insert panel lower surface and covers the insert panel openings. The filtering screen is configured to prevent the passage of debris therethrough.