Comparison : Item # MNP-168, CGA-350 Nipple-Threaded Inlet
Item # MNP-169, CGA-350 Nipple-Threaded Inlet
Item # MNP-170, CGA-350 Nipple-Threaded Inlet
Item # NP-167, CGA-350 Nipple-Threaded Inlet
Item # NP-168, CGA-350 Nipple-Threaded Inlet