#061809A - HDR: 23 7/8" x 5"

Complete tank set

Top Tank
This tank has two 2 1/4" diameter hose connections, a bracket with slotted holes for mounting, a 1/4" NPT flange for an expansion fitting, and there is a baffle in the center of the tank between the hose connections.
Bottom Tank
This is a blank tank.
Side Frames
These frames are 42 1/2" long by 5" wide.  One channel is plain, and the other has three 5/16" threaded nuts along the back.

Note:  original unit was all aluminum construction.