Dundas Jafine 4 In. Dia x 50 Ft. L White Vinyl Flexible Ducting large 4-pin tumbler cylinders helps prevent

4-pin tumbler cylinders helps prevent picking

ProVa-Flex uncouples the floor covering from the substrate and prevents the transfer of stresses to the tiled surface

Can be installed from inside the structure

The inside handle has 2 holes that the supplied stainless steel machine screws insert and pass through the door frame to the threaded studs on the outside handle

Heavy gauge steel allows for rugged use

Dundas Jafine 4 In. Dia x 50 Ft. L White Vinyl Flexible Ducting large 4-pin tumbler cylinders helps preventFlexible white vinyl duct is ideal for general purpose exhaust applications including bathroom fan venting and surface mounted humidifier units. Vinyl ducts should not be used for dryer venting applications.