I have upgrades all my rv with a surely 4 GPM pump that gives you flow like park water flow. Add a accumulator kit and a pair of flex lines off the pump. You will be happy with your purchase. The oxygenation shower head also is a nice upgrade.
2015 42' Redwood RL38 Morryde IS , disk brakes, 1920W of solar with Victron everything,Battleborn, 2020 GMC DRW 3500HD Hensley BD5 air ride hitch