Similar, but my bag has flow switch and more girth in the nozzle head..

I will note - buyer beware on that site you listed..  While I am familiar with them and purchased from them at conventions (where you can see and get on the spot the products they sell) I took a chance and ordered from them this past August on-line for a video shoot that was to take place in September and I had a horrible experience.

Lump sum - bad/no communication and when I did get my order, it was not fulfilled fully.  While waiting for them to contact me about the refund of my money (which they ended up doing), I ended up going through another vendor called Medical Toys (who heard about my plight via social media and who I have many positive experiences with) to get the rest of my order.  I will note, they had the JBL and it was informed to me (and I confirmed via  a google) that the bag is available via Krystra, who I believe was the original manufacturer of the bag..