The Alta toolkit adapter sets the funnel in a proper vertical orientation. I don't know if any of those are available. This is one of the tools that production used to fill the system, as they could add the exact amount of coolant and go on to the next step in the line while it settled. For the consumer, this is not really very useful, IMHO. If you fill the system with the key on, pump running, you get it very close to full, then ride the bike a bit and it will burp itself where you can add that last little bit. I have filled and refilled my Alta and others many times and have only used this tool once - it was faster the other way described above.