Amazon.com: STAR BRITE Toilet Bowl Cleaner - Formulated for Boat & RV Use - Removes Stains from Plastic & Porcelain Bowls - Doesn't Interfere With Most Holding Tank Treatments (086416) : Automotive
RTP Bowl Brite – PDQ Manufacturing, Inc.
Acid Toilet Bowl Cleaner - Bowl Brite (Dozen) -
Amazon.com: STAR BRITE Toilet Bowl Cleaner - Formulated for Boat & RV Use - Removes Stains from Plastic & Porcelain Bowls - Doesn't Interfere With Most Holding Tank Treatments (086416) : Automotive