There are many free filters out there, best one which is also under active development & got a helpful community is
.
If you're not interested / able to set-up and configure a filter yourself then I'd recommend you to hire someone who does it for you which you can do
.
You could also try out paid filter services (which I won't name here, because I don't wanna advertise for paid products), but they're fairly easy to find. However, this means regular payment of X $/month (depending on how many concurrent users you want to be able to connect to your server).
Hope this helps.