Breezliy 3/8 Inch Male Flare x 3/8 Inch Male Flare Connector Gas Adapter Union BrassTube Coupler Pipe Flare Fitting (2PCS)

Q: inside and outside diameter

Hi ,3/8 flare * 3/8 flare inside diameter is about 0.28 inch ,outside diameter 0.62 inch .Hope it can help you .

Q: Can this be used for the propane orifice connector inside my fireplace?

hi, that's OK. Our this Breezliy Connector Gas Adapter Union BrassTube Coupler Pipe Flare Fitting,Suitable for natural gas and liquefied petroleum gas,refrigeration and hydraulics.And suitable for aluminum,steel pipe,copper,brass or plastic pipe,thanks for your attention.

Q: Is this connector 5/8 x 5/8 fit to the gas range hose?

yes，Our Breezliy 5/8 Inch Male Flare x 5/8 Inch Male Flare Connector Gas Adapter Union BrassTube Coupler Pipe Flare Fitting ，Suitable for natural gas and liquefied petroleum gas,refrigeration and hydraulics.And suitable for aluminum,steel pipe,copper,brass or plastic pipe,and fit to the gas range hose.

Q: can i use this 1/2 to joint 2 mini split linesets?

Hi, thanks for your attention. Our products can meet your requirements. It is possible to join two different parts together, but only if both parts are 1/2 flare.