VEVOR Continuous Bag Band Sealing Machine, 0.24-0.47 in/6-12 mm Seal Width, Horizontal Band Sealer Machine with Digital Temperature Control, Bag Sealer for 0.02-0.8 mm Plastic Bags, Inflation Function

Inflation requires about 0.6 MPa.

No, that can't be done.

This machine can only print one line, and the number of letters printed at a time is not fixed because the character wheel is constantly rotating.

It requires 8mm air tube connection.