Part Number: 005-8374M-002 (Metering tube)Part Number: 37D401573P01 (Metering tube)Part Number: 52G0081M-001-9HC (Metering tube)Part Number: FP-1-12-27-6-10177 (Metering tube)Part Number: R8M-25-2 (Metering tube)Part Number: S925Y376AAA (Metering tube)