Not a bother at all! If you are talking about the left side, it’s called a lily pipe. I bought them on amazon.
JARDLI 13mm Plant Aquarium Glass Lily Pipe Inflow and Lily Pipe Outflow for 12/16mm Tube https://www.amazon.com/dp/B01FJI2U7S/ref=cm_sw_r_cp_api_i_-qvKDbJJGG95D
I think this one.
I got these guys Lily Pipes
Yeah I hear Axolotls don't prefer high flow.
These are pretty nice, I use them on my tank.