ducting
dundas jafine inc. 4inchx 5ft . pro flex clothes dryer transition duct btd45
flexible fire resistant constructed of a 4 ply aluminum foil laminate that will not support combustion ideal for use in most exhaust applications specifically designed and sanctioned for gas and electric clothes dryers ul 2158a listed and marked as a clothes dryer transition duct easy to install maintains shape tear and puncture resistant smooth inner core length 5 width 8 25 height 5 sku jnsn14377