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PVC drainage/ Stereoscopic four-port joint

PVC drainage/ Pipe collar expansion joint

PVC drainage/ Expansion joint

PVC drainage/ Leakage-proof repair joint

PVC drainage/ Extended expansion joint

PVC drainage/ External clean-out opening

PVC drainage/ Rainwater Hopper

PVC drainage/ internal clean-out opening

PVC drainage/ P-type trap

PVC drainage/ S-type trap

PVC drainage/ P-type trap（no-door）

PVC drainage/ S-type trap（no-door）