After reading in different forums and watching a few YouTube videos about how our refrigerators are supposed to be vented, I decided to tackle this project. With some leftover aluminum sheets, I made the upper and lower refrigerator baffles 25 ¼” wide and 7 ¼” deep. The back baffle is 20” x 20”. This puts the baffle box within ½” of the rear of the refrigerator. All three pieces fit separately through the louvered vents so that I didn’t have to pull the fridge out to do the work. With the baffle...