CHERNE 2 in. Rubber Test-Ball Pipe Plug 270024 - The Home Depot
NDS 3-in PVC Sewer and Drain Tee in the Sewage Pipe & Fittings department at Lowes.com
CHARLOTTE PIPE 2 x 2 x1 1/2x1 1/2 DWV DBL SAN TEE REDUC DWV (DRAIN, WASTE AND VENT) (1 Unit Piece): Pipe Fittings: Amazon.com: Tools & Home Improvement