WILKINS RK212-RV-HOSE

SENSING LINE FOR WILKINS 375 RELIEF VALVE.  2 1/2" - 4". PACKAGE SAYS 2 1/2" - 3" BUT IT DOES DO 4" ALSO.  PACKAGING SAYS, "CONTAINS 3709-36" WHICH WAS THE INDIVIDUAL PART NUMBER FOR THIS BEFORE WILKINS PUT IT IN A KIT.