Quick-Sling VRF StandQuick-Sling’s VRF Super Stand has four 12- x 12-inch feet, made from 7 gauge steel plate. It adjusts in ¼-inch and ½-inch increments. Quick-Sling VRF stands have two hat flange rails that are slotted to receive all major brands of VRF/VRV/HRV condensing units. All combinations available for all manufacturers.