L-Type Bracket is used with existing Y-Type Spacer and its hardware.
Spacer with L-Type Bracket is a complete accessory that includes the Y-Type Spacer "O" rings and screws and it will tie two Modular Units together and can be used for mounting the units.
T-Type Bracket is used with existing Y-Type Spacer and its hardware.
Spacer with T-Type Bracket is a complete accessory that includes the Y-Type Spacer "O" rings and screws and it will tie two Modular Units together and can be used for mounting the units.