Comparison : Item # PSBU1/4H, SS 316L Short Bulkhead Union 1/4”
Item # PSBU1/2H, SS 316L Short Bulkhead Union 1/2”
Item # PSBU1/4E, SS 316L Short Bulkhead Union 1/4”
Item # PSBU1/2E, SS 316L Short Bulkhead Union 1/2”