Clear Fused Quartz SIZE TUBING/LENGTH PIPE FLANGE ¼" 5 X 8 X4.0" $32.15 ½" 12 X 16 X 4.5" 40.75 ¾" 18 X 21.6 X 4.5" 57.20 1" 25 X 28.8 X 4.5" 86.00 1½" 38 X 42 X 4.5" 102.85 1½" Heavy Wall 113.10