PVC is rated for a WHOLE lot more than the 30-40 psi to keep the message off..
http://www.engineeringtoolbox.com/pv...res-d_796.html
PVC is rated for a WHOLE lot more than the 30-40 psi to keep the message off..
http://www.engineeringtoolbox.com/pv...res-d_796.html
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