A: The product comes with a 1/2" female fitting. The description is wrong on Home Depot's site and thanks for brining this to our attention.
A: Contact your local Home Depot for available pipe.
A: Yes, I picked up a galvanized pipe 4' long, a connector, and another 18" long in 1/2" size when I was at the store. Something like this: https://www.homedepot.com/p/The-Plumber-s-Choice-1-2-in-x-48-in-Galvanized-Steel-Pipe-1248PGL/307815752 , also this: https://www.homedepot.com/p/STZ-1-2-in-x-18-in-Galvanized-Steel-Schedule-40-Cut-Pipe-307-12X18/202310616 and this to join the 2 pipes: https://www.homedepot.com/p/STZ-1-2-in-Galvanized-Iron-Coupling-PDG-CO-12/316911647
A: Yes I purchased it the same day when I got the Oatey plunger
A: I think it is 1/2 inch pipe. I've used them before.
A: Great part already had 3/4 pipe and installed it myself. Was easy to install.
A: PVC, thick hard plastic, usually white could be black or other colors.