PetSafe Freedom Patio Panel Pet Door

- Brand new, in box - Featuring a durable aluminum frame and a tempered glass window - Designed for easy, no-cut installation into existing sliding door tracks - Door includes a locking latch for security and a tinted, flexible flap to keep outdoor temperatures out - Medium size, suitable for pets weighing between 1 and 40 pounds - Flap opening measures 8 ¼” W x 12 ¼” H (21 cm x 31 cm)