Description If you are looking for a professional and affordable HVAC system adapter, then your research is over here. That's because our product can meet your need. Adopted of premium material, it is practical and durable for long time use. It is easy to use and bring you much convenience. Features - Color: Golden. - Material: Copper. - Size: About 6.50X2.00X2.00cm/2.55X0.79X0.79inch. - Made by high-quality and strong copper, this adapter can be used for a long time. - Perfectly fits for mini split system air conditioners, HVAC and refrigeration service. - The coupler nuts are deeply knurled for quick finger-tightening, easy to use. - It has good sealing effect and can bring you a good use using experience. - It is made by good craftsmanship and has thick texture, so you can buy it with peace of mind. Made by high-quality and strong copper, this adapter can be used for a long time |Perfectly fits for mini split system air conditioners, HVAC and refrigeration service |The coupler nuts are deeply knurled for quick finger-tightening, easy to use |It has good sealing effect and can bring you a good use using experience |It is made by good craftsmanship and has thick texture, so you can buy it with peace of mind