Nov 20, 2019 - 01:12 AM
Thank you for contacting Bio Bidet Support. The T valve is metal. While it will fit an elongated or round toilet, there is a space requirement near the tank needed for the bidet to fit. (Requirements can be viewed here: https://biobidet.com/pages/toilet-types-sizes.) Thank you, Bio Bidet Support.
Source: A3 installation