Not solving an issue, just looking for the right prop. 2020 Manitou Aurora, 25’. Mercury 150 4 stroke on her. Found a stainless steel Enertia 15 x 15, came with the hub kit on the right in the pic. The one on the left is the current hub - Flo Torq 2. What’s the difference? The Flo Torq 2 work...