Backpack Leaf Blower, 63.3cc. The item "Pre-Owned Echo PB-770H Backpack Leaf Blower, 63.3cc" is in sale since Saturday, September 19, 2020. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Outdoor Power Equipment\Leaf Blowers & Vacuums". The seller is "chiochio-9" and is located in West Haven, Connecticut. This item can be shipped to United States.