Salesguy, I'm not sure if they are made by Blitzer but I got them from JC Whitney. I do carry a oil filter wrench that I use to tighten and loosen the spouts and as I've said while pouring out quicky gas will seep out of the vent hole and drip to the ground.
Ruide
Fleetwood Evolution E3 - Yellow (DW let me get a Yellow one since she wanted an E3 with a slide out )
Hummer H2 - Black (DW vetoed the Yellow one, but I got two Yellow Hummer Folding Mountain bikes )