IT APPEARS A TUBE IS MISSING. IT APPEARS THE BOTTOM SCREW IS NOT THE CORRECT SCREW AND WAS FORCED IN. THERE IS A BROKEN ADAPTER ON THE BACK AS PICTURED. VERY DUSTY DIRTY MAYBE SOME SURFACE RUST HERE AND THERE SO COMPLETELY AS IS. I HAVE NOT TESTED THIS UNIT. MAY HAVE SCRATCHES GOUGES AND […]