For anyone who needs it, this is the email for Hydor USA that worked for me. [EMAIL="hydorusa.office@hydor.com"]hydorusa.office@hydor.com[/EMAIL] [FONT=sans-serif][SIZE=2]Hydor USA, Inc. Customer Service 4740 Northgate Blvd #125 Sacramento, CA 95834 [URL="http://www.hydor.com"]Hydor[/URL][/SIZE][/FONT] The front grilles on two of my Hydor Koralias broke (the part where the rubber stopper attaches to the cover) and I emailed them to find out if there are retailers that sell replacement front covers. They emailed be back saying they will send me two replacement front covers as part of the warranty.