Inlet Grille inside Whirlpool Dryer is Discolored (This is normal)
You may see some discoloration on the rear dryer grille where hot air comes into the dryer.
This is normal and is caused by a number of factors, including usage, color transfer from clothing, and heat. This discoloration is permanent, and will not wear off on any other clothing or material.
See pictures below for a new dryer grille, then one showing this discoloration.
New inlet grille
Discolored inlet grille
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