SHEET METAL 20X20 26 GAUGE
3" TO 6" DURA VENT INCRE #7777$36.522
TEC-20X20 5/8 BARB ELL$1.15
COPPER COUPLING 3/8 OD X 1/4 ID$0.28
3"X18" DURA VENT #7742$17.583