What are these things called?

[Mattsclio!]

i will describe as best i can. ive got kn generation 2 induction kit and need to know what the little rubbersish covers are called u put over the breather pipes? as one of mine has split so need a new 1 asap!

 

[edde]

Oil breather filter.
Halford sell them cheap jus measure the diamter as you cna buy two differently sized ones.

 

[Mattsclio!]

sweet cheers mate!does it matter if you drive without one?as im meant to be going out tonight?

 

[edde]

sweet cheers mate!does it matter if you drive without one?as im meant to be going out tonight?

You should I would go without just stick a bit of sponge over it to be safe.