http://www.homedepot.com/p/Charlotte...specifications
Just received an email from HD touting that they now carry PVC in larger sizes for the Pros.
An example: 6X6X6 DWV Wye at $67.25 EACH
P.S. They don't list the ASTM grade
For reference, McMasters is $24 (ASTM 3034 and 2729).
Equally ridiculous prices on other fittings.