Here is a company that makes sewer pipe adapters for RVs called Valltera.
The diamiter is 3 inches and the bayonet locking system with a special seal is prity high teck.Clear strong plastic of some kind makes this a good candidate for a WTC.
There are many cap ends that use the same locking system some with even sub caps ,great for switches or vents ect.
I have one of the longer ones that measure almost a foot and can be easaly extendid with smaller or a diferent adapter all with the special integrated seal.
Prices are very reasonable and can be perchased at any RV store or online.








The material is very strong and easy to drill,and the quality is there.
Hey its a true pig boat !
Go to valterra.com
The diamiter is 3 inches and the bayonet locking system with a special seal is prity high teck.Clear strong plastic of some kind makes this a good candidate for a WTC.
There are many cap ends that use the same locking system some with even sub caps ,great for switches or vents ect.
I have one of the longer ones that measure almost a foot and can be easaly extendid with smaller or a diferent adapter all with the special integrated seal.
Prices are very reasonable and can be perchased at any RV store or online.








The material is very strong and easy to drill,and the quality is there.
Hey its a true pig boat !
Go to valterra.com
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