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This single-wall wye allows a 45-degree connection to the mainline pipe. This wye is barbed.
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4" Coupler connects to a corrugated pipe to a PVC/SCH 40 and thin-walled PVC Pipe.
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This single-wall/dual-wall external snap coupler connects the 4" corrugated pipe.
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Coupler to Connect Any Pop-up Emitter to PVC Schedule 40.
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This pipe adapter (The Cone) allows you to connect 4" corrugated pipe to a 4" SDR 35 socket.