Photo 1 of PATIKIL 1/2 SAE Male x 3/4 SAE Female Brass Flare Tube Fitting, 2 Pack Pipe Fitting Reducer Gas Adapter Hex Coupling with PTFE Tape for HVAC Fuel Oil Air Natural Gas Line Connection

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Photo 1 of PATIKIL 1/2 SAE Male x 3/4 SAE Female Brass Flare Tube Fitting, 2 Pack Pipe Fitting Reducer Gas Adapter Hex Coupling with PTFE Tape for HVAC Fuel Oil Air Natural Gas Line ConnectionPhoto 2 of PATIKIL 1/2 SAE Male x 3/4 SAE Female Brass Flare Tube Fitting, 2 Pack Pipe Fitting Reducer Gas Adapter Hex Coupling with PTFE Tape for HVAC Fuel Oil Air Natural Gas Line Connection