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Drain Pipe Systems & Installation Quick Study Guide
(Increase Your Plumber Exam Score by Just Reading This 10 Minute Study Guide)
- Calculate What Drain Pipe Size to Use and It’s DFU
- Never Forget Again What Grade to Give Your Drain Lines!
- Learn The Correct Fitting to Use For Each Occasion
- Step by Step Installation Process for Every Drain/Waste/Vent Line!