Everbilt 3/8 in. Flare Brass Nut Fitting (2-Pack) 801609 - The Home Depot
Everbilt 1/2 in. Flare Brass Coupling Fitting 801279 - The Home Depot
Amazon.com: Hgzaccompany Brass Tube Flare Fittings,Union Connector Gas Adapter,BrassTube Coupler 1/2 inch Male Flare to 1/2 inch Male Flare 2 Pack : Industrial & Scientific
Anderson Metals Pipe Fitting, Flare Tee, Lead Free Brass, 5/8 In. | Killingworth True Value