Universal Leaf Collection System Commercial Grade• Large Capacity, Fewer Stops & Starts• Collapsible Design, Ease of Storage• Large Drop Door, Easy Empty/Unload• Universwal Design, Works with Most if not All Zero Turn Mowers/Sub Compact Tractors.• Commercial Grade Quick Disconnect Lower Mounting Frame for use on Zero Turn Mowers and Sub Compact Tractors. Mounting Frame is off set to accommodate up to 72" mower decks.