Plumbing Vent with Slip-on or No-Hub

[emcconne]

I am modifying the plumbing in one of our bathrooms during a remodel and have a question about venting. I am trying to tie new pvc into my 3" roof vent due to a reconfiguration of the toilet, however there is no room to install a regular repair coupling. There is no water in this pipe only vent as it is above the highest drain in my house (although I do seem to get condensation in the pipe but not much). I seem to have three options and would like to know which is best and would pass inspection.
1) Slip-on coupling (without the ridge in the center)
2) No-hub coupling (just thick rubber with stainless bands)
3) No-hub coupling (thin rubber with stainless sheath and bands)

Any thoughts are greatly appreciated. Also, does it matter if this connection is horizontal or vertical. I have a similar situation with the bathtub and my tie-in there will be on the horizontal.

 

[Mr_David]

Use the #3 option with one correction
No hub coupling is made for cast iron soil pipe.
CI has a slightly smaller outside diameter than PVC.

Are you connecting PVC to PVC?
If so then a No hub should be just fine and it will tighten up evenly
Better if you can use a no-hub adapters. It has a small ridge at the end to help prevent pipe slippage

We use a mission band designed to fit CI soil pipe to CI, Plastic, or Steel.
I found these images with google


Mission coupling
No-hub coupling
No-hub x PVC adapter
last image is a recent repair I made using 2 adapter and a no-hub coupling