Venting diagram 1 and 1/2 two story bathroom

[garyrennie]

Need advice on venting and tee at stack on second floor bathroom. Should I use bungalow fitting (3x3x3x2)

 

[Jeff H Young]

Ive never used a bungalow fitting or really seen them used here in so cal but sure why not ? looks legal too me Id be a little nervous here but if they use them there you should be good