GE DPSE810GGWT - ProfileTM 7.0 cu. Ft. Gas Dryer Owner's Manual page 12

For the best drying performance, the dryer needs to be properly vented.
■ Use only rigid metal 4 " diameter ductwork inside the dryer cabinet. Use only rigid metal
or flexible metal 4" diameter ductwork for exhausting to the outside.
■ Do not use plastic or other combustible ductwork.
■ Use the shortest length possible.
■ Do not crush or collapse.
■ Avoid resting the duct on sharp objects.
■
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