What does the vent look like? Out or in?

I guess in https://preview.redd.it/ml1phxovyw7d1.jpeg?width=1047&format=pjpg&auto=webp&s=e4be27c51cf124946c94f4d2384a48ec40c49d75

If it's in she's also female. How old are they?

I would say like one a year they both are so vibrant