Bathroom exhaust is suitable for bath bomb exhaust or additional

No, the so-called exhaust riser is the total sewer pipe. The exhaust line of the bathroom in the building is on the wall.

It's a big hole, right? You can buy a bottle of foam glue (it should be called that, iron bottles, sprayed), and then put the exhaust pipe into the middle of the hole and spray it with foam glue, and after a few minutes the foam glue expands and hardens and is fixed.

If the bath bomb has a ventilation function, it is best to install an exhaust pipe to the outside.

Induction is technically possible, but the actual product distance has not been seen. >>>More

The size of the toilet exhaust pipe is 110mm.

or 200mm or square ventilation ducts should be fine, but they take up too much space and are not beautiful. 2.It is recommended to use a 110mm pipe, and then install a larger ventilation fan Yajie pipe to connect with this ventilation pipe, and the sealing of the interface should be done. >>>More