Venting a Moser

[GetMore]

A larger hose might help if you have problems with fluid being pushed up the hose. To small and there's no room for the air to get past the oil. A -12 line will work, but will be way overkill.

[Vegas69]

A larger hose might help if you have problems with fluid being pushed up the hose. To small and there's no room for the air to get past the oil. A -12 line will work, but will be way overkill.

1/4 npt to 12an is probably impossible without 12 adapters. 3/8 hose and the filter above and as far away from the rear end as possible.