use teflon, an-stuff
37 degree flared is good
maybe a 90 off the filter housing to another 90
When doing any angle to angle the hoses will be ordered like this
13020204-xxxx-xxx
13 teflon ( titeflex) 1500 psi working
02=90
02=90
04=size -4
xxxx hose in inches and eight's of a inch
xxx=rotatation angle
One angles will be clocked at 000 rotation, the other end will be the rotation in degree's
You may purchase a adjustable angle fitting or just add a elbow on both mounting surfaces and you can use straight fitting's on the hoses assy
I had a aircraft hose shop for years..
teflon hose can be purchased with a clear shrink or firesleeve for protection
let me know if I can help ?
GB