4-1/8 OD X 3-1/8 OD Copper Coupling
4-1/8 LR 90 Copper Elbow
4-1/8 OD Copper Tube Cap
4-1/8 LR ST 90 Copper Elbow
4-1/8 Staked-Stop Copper Coupling
4-1/8 OD Roll-Stop Copper Coupling
4-1/8 Copper Tee
4-1/8 OD X OD 45 Copper Elbow
4-1/8 SR 90 Copper Elbow