About an hour ago FedX delivered the Altraros. Boy was I excited! OOPS... unit problem.... pressure setting gauge broken at it's black housing and the clear plastic top with adj. screw, laying in the booster units bottom with white wire pulled from the crimp connector. I've sent them this info.,too soon to hear back from them but I think they will send a new gauge. The unit is nicely fitted. Delivery was fast even thou FedX had "Operational Delay" of two days. More to come.