I will shortly be making a pair of dry sump tanks for the aprilia engines in my new autograss car, and I need some sort of pre-strainer to protect the oil pumps from debris dropped into the tanks.

Any cunning ideas on sources of free-flowing strainers that can be fitted into 1/2" bore oil lines?

My closest idea was to use a std 1/2" bsp brass plumbing strainer, but these are a bit "agricultural"