Check the listing for details. Acetylene Regulator Gauge Set for Port a Torch Tanks 1 1/2" Dia w 1/8" NPT Inlet. Condition: New. Listed at 16.99 USD. Acetylene Regulator Gauge Set for Port a Torch Tanks 1 1/2" Dia w 1/8" NPT Inlet Condition: New!Item Description:This is a "Buy it Now" listing for an Acetylene Regulator Gauge Set for Port a Torch Tanks 1 1/2" Dia w 1/8" NPT Inlet. It includes (1) 1 1/2 x 30 PSI gauge & (1) 1 1/2 x 400 PSI gauge. Both gauges have 1/8" NPT inlet fittings & only fit regulators that are designed for Port a Torch tanks. These will not work for replacement of gauges on Harris model 601 regulators. Buy it Now Price: $16.99 Free ShippingPlease request a revised invoice through the ebay shopping cart if you need combined shipping. Please check out our other auctions. For more information on our company, check out our "about me" ebay page or google ATL Welding Supply.