1.This is for an Universal Female fitting On A/C Fitting Kit and Fitting type: DISCHARGE 45¡ã (SHORT)- HOSE CONNECTIONS
it features a variety of the more popular A/C Fittings that will get
the job done on most A/C Projects.
2.SB and BL:means steel material.the fittings should use the thick hose.
3.RB:and SR:means reduced beadlock fittings the hose should use thin fittings.
4.When install those fittings, firstly must check if the hose wall belongs to thin or thick.
then choose the correct fittings.