The aluminum fins are about 3"H x 2"W and have a "tear drop"
curved bottom. They are pressed on the 5/8 copper, about 42 fins per foot. Below the row of fins, you mount a 3/4" PVC drip pan, (like a 3/4" PVC pipe cut in half, 180 degrees). This drip pan is routed to a drain. This system makes a...