-- Select Your Usage -- My use is light 3 to 5 loads per week I use it all day long...

--- Select the Length --- 1 to 10 feet long 11 to 20 feet long longer then 20 feet

-- Select # of Turns -- One 90 degree elbow Two 90 degree elbows More then 3 turns

---- Select Unit Type ---- My dryer is full size I have a combo unit