American Standard 735004 Color:Black The wood is primed to

The wood is primed to accept the finish and the finish is designed to last essentially forever

We are not positive but believe the hole is used for some kind of locking mechanism

Note: porcelain only

Tank Size: 16

It hardens to a consistency similar to automotive paint and is chemical resistant so you can clean it with normal household cleaners

American Standard 735004 Color:Black The wood is primed toManufacturer: AMERICAN STANDARD Lid P N: 2012 735004 Lid Size: 20" x 8. 625" Tank P N: 2037 Tank Size: 19" x 7. 5" Toilet Model: Roma II One Piece This is also a Lexington toilet, often confused with 735025. Check to make sure you are ordering the correct one based on the photos and dimensions we have listed.