A support frame attachable to a pressurized gas cylinder pallet is disclosed. The support frame includes an adjustable first support member having a first brace and a second brace and a second support member having a third brace that extends from the first support member. The first support member is adjustable to move the first and second brace into engagement with the pallet and the third brace is slidable along the second support member to also move the third brace into engagement with the pallet. The three points of contact stabilize the support frame on the pallet such that a manifold can be connected to the support frame for connection to the cylinders on the pallet. Also disclosed is a kit including the support frame and the manifold.