NIBCO 3/8 in. Copper Cup x FPT Female Adapter U60338 - The Home Depot
U.S. Solid 2pcs Brass Reducer Hex Bushing Brass Threaded Pipe Fitting 3/8" NPT Male x 1/8" NPT Female Adapter - U.S. Solid
3/4" & 3/8" Copper Fittings Kit for HVAC ($2.99-$5.90)
3/8" O. D. Copper Pre Fab 30" Spacing W FogDeck Fitting | Fogco Environmental Systems
Mueller Industries - Wrot Copper Pipe Tee: 1/2″ x 1/2″ x 3/8″ Fitting, C x C x C, Solder Joint - 36891513 - MSC Industrial Supply
3/8" Copper X 1/4" NPT Copper Male Adapter — COPPERTUBINGSALES
Brass 1/8 1/4 3/8 1/2 3/4 Female to Male Threaded Hex Bushing Reducer – Bangrui Tools
1/4" - 1/2" Insulated Copper Coil Line - HVAC Premium
Appli Parts 90 Degree Elbow short turn 1-5/8in Copper pipe fittings C x C Sweat connections for refrigeration, air conditioning and plumbing applications ACR and Type L copper pipe (5 x Bag) AP-C158