The Popit plug was designed to be used in storm pipe, with a constant flow of water, offering no internal pressure. Popit, Inc. decided to take measures to determine, if in fact, the Popit plug could withstand internal pressure, coupled with backfill without effecting its' integrity.
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POPIT, Inc. 922 S. Woodbourne Road Levittown, PA 19057, USA T +1 215 7528410 / 215 9455201 F +1 215 7528411 popitplug@verizon.net www.popitplug.com