I use the standard Paasche VL

https://www.amazon.com/Paasche-Airbrush-VL-CARD-Card-Size/dp/B00397VXOS/ref=sr_1_1?crid=3KBQN6YUT4BO

What I did for bottles was to buy a multipack of generic cheap bottles years ago at the hobby store. I then drilled a hole in the cap on one and swapped out the Paasche one. So the new bottles thread on the airbrush now.