Aviation oil filter

[Paul]

Dear all
I'm wondering how many company out there actually make aviation oil
filter. As far as I know I don't see that many, but what was the reason
behind it? Why there aren't so many compare to auotmobile insdustry?
Was it because liabilty reason?

Thanks All

[xyzzy]

Paul wrote:

> Dear all
> I'm wondering how many company out there actually make aviation oil
> filter. As far as I know I don't see that many, but what was the reason
> behind it? Why there aren't so many compare to auotmobile insdustry?
> Was it because liabilty reason?

It's because there's a lot more cars than planes out there.