Shop for ADS, Tee, 4"Snap Black HDPE Single Wall Features and Benefits A 4-inch black tee with a quick snap design for easy installation. Made of polyethylene. Used with 4" single wall corrugated polyethylene drainage pipes Replacement part of Advanced Drainage Systems (ADS) Product Details Non-Reducing Fitting Type: Hub x Hub Color: Black Size: 4-inch tee Quick snap design for easy installation Material: High-density polyethylene