Louvers - Again, AMSOIL EaO filters

[cheesepuffs2]

Do louvers really flow better than traditional holes? Is this am improvement in design, or a sacrifice for cutting costs?

 

[Pablo]

Do louvers really flow better than traditional holes? Is this am improvement in design, or a sacrifice for cutting costs?

All of the above and no waste metal.

The process just need to be controlled!

 

[ZeeOSix]

Do louvers really flow better than traditional holes? Is this am improvement in design, or a sacrifice for cutting costs?

Note that "flow better" really just means less delta-p. Only time there would be "better flow" is when the oil pump is in pressure relief.