36" Chrome Framed Glass Shower Door Drip Rail Kit- Comes Pre-taped and with the seal already installed. Metal replacement piece on the bottom of a framed shower door. FREE 4oz Valore!!! It is very easy to changer the rail on your framed shower door. framed glass shower door drip rail replacement aluminum replacement on bottom of the shower door seal and drip rail for framed shower door Chrome Drip Rail for the bottom of the shower door.