3/4" & 3/8" Copper Fittings Kit for HVAC ($2.99-$5.90)
Infinitech 38 & 78 Hvac - R Copper Line Set Fittings Kit Includes long sweep elbow coupling street elbows Perfect for air conditioning lineset refrigeration liquid line & suction lines tubing pipes - - Amazon.com
uxcell Brass Pipe fitting, 1/4 SAE Flare to 1/4NPT Male Thread, Tubing Adapter Hose Connector, for Air Conditioner Refrigeration, 3Pcs - - Amazon.com
Braze Free Connections for Copper Refrigerant Pipe - ZoomLock Fittings | Parker NA
STREAMLINE Refrigeration Press Fitting: Copper, Press-Fit x Press-Fit, For 3/8 in x 3/8 in Tube OD - 787WL4|RP10143 - Grainger
Mastercool Inc., Manufacturer of Air Conditioning, Refrigeration, Service Tools and Equipment
Brass Fitting for Air Condition and Refrigeration System - China Brass Fitting and Brass Connection