45s and/or 90s

90 deg

I've had it on for 3+ years and no issues yet. $3 when I bought it.

Degree Elbow Tube Fitting, 7/16"-20 SAE x 7/16"-20 SAE Thread, 1/4" Male JIC x 1/4" Female JIC Swivel

https://www.amazon.com/gp/product/B00CCXZWQK/?tag=fabo03-20