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PVC reducer joint fresh air pipe large and small head air outlet reducer ventilation pipe fittings exhaust pipe

160 * 110pvc drainage core DN150 * 100pvc drainage core 6*4 inch pvc variable diameter Bushen

160*110Pvc Drainage Core Dn150*100Pvc Drain Core 6*4inch Pvc Reducing Diameter Bu Shen

White 400*250Pvc-U Drainage Core Filling Joint 16*10inch Pvc Ventilation Pipe Core Filling Glue Bonding

400*315upvc drainage core DN400 * 300pvc drainage diameter 16*12 inch upvc ventilation core

Pvc Drainage Core Wholesale 160*110Upvc Drainage Core 6*4inch Upvc Eccentric Core Wholesale

315*110Pvc Drainage Core Dn300*100Pvc-U Drain Variable Diameter 12*4inch Pvc Core Filling

250 * 160pvc-u drainage core white 10*6 inch sewer pipe diameter reducing joint glue bonding

DN100 * 65pvc Drainage Core 4*2.5 "pvc Drainage Boshen 110 * 75pvc Sewer Diameter Reducing

75 * 50pvc drainage core white DN65 * 40pvc drainage diameter change pipe size

GB/T 5836.2-2018 white 250 * 110pvc drainage core 10*4 inch pvc drainage diameter

Factory supply 250 * 200pvc sewer core white 10*8 inch pvc-u drainage core joint

Manufacturer Supplies 315*200Pvc Drainage Core White 12*8inch Pvc Reducing Joint Glue Bonding

315 * 110pvc drainage core DN300 * 100pvc-u water diameter 12*4 inch pvc core

White 200 * 110pvc core joint glue bonding 8*4 inch pvc-u drainage core installation is convenient

110*50Upvc Drainage Core 4*1.5inch Pvc Sewer Pipe Variable Diameter Dn100*40Pvc Drainage Core

315 * 250pvc drainage core joint white 12*10 inch pvc-u sewer pipe core installation is convenient

200*160Pvc Reducing Joint White 8*6inch Pvc Core Filling Joint Glue Bonding Pressure-Resistant and Durable

Stainless steel reducer large diameter butt welding reducer carbon steel alloy reducer head

400 * 160pvc drainage core DN400 * 150pvc sewage diameter 16*6 inch upvc drainage Boshen

400 * 160pvc drainage core DN400 * 150pvc sewage diameter 16*6 inch upvc drainage Boshen

250 * 160pvc-u drainage core white 10*6 inch sewer pipe diameter reducing joint glue bonding

Fire Trench Pipe Fittings Dn50-300 Reducer Groove Type Concentric Large and Small Head Factory Direct

White 400 * 250pvc-u drainage patch joint 16*10 inch pvc ventilation pipe patch glue bonding

White 200 * 110pvc core joint glue bonding 8*4 inch pvc-u drainage core installation is convenient

Factory supply 315 * 200pvc drainage core white 12*8 inch pvc reducing joint glue bonding

Dual-phase steel reducer 304 316 eccentric reducing horn mouth reducing taper taper taper taper taper drawing special-shaped customization

75 * 50pvc drainage core white DN65 * 40pvc drainage diameter change pipe size

110*50upvc drainage core 4*1.5 inch pvc sewer pipe diameter reduction DN100 * 40pvc drainage core

DN300 * 150pvc reducer 315 * 160pvc drainage core 12*6 inch upvc drainage Bu Shen

400 * 200pvc drainage core glue bonding white 16*8 inch pvc-u sewer pipe diameter supply

160 * 110pvc drainage core DN150 * 100pvc drainage core 6*4 inch pvc variable diameter Bushen

200 * 160pvc reducer joint white 8*6 inch pvc core joint glue bonding pressure durable

DN100 * 65pvc Drainage Core 4*2.5 "pvc Drainage Boshen 110 * 75pvc Sewer Diameter Reducing

The Length of Pvc Drainage Pipe Can Be Cut into 10/20/30/40/50/60/70/80/90/ 1m Etc

Ventilation duct exhaust pipe pvc range hood machine variable exhaust smoke pipe ring joint 25020075 size head variable diameter

Exhaust pipe reducing ring exhaust pipe reducing joint range hood exhaust pipe reducing joint size

180250 machine variable ventilation duct smoke pipe reducing joint flue ring 10075 large and small head reducing hose conversion

Gudi HDPE butt reducing joint water supply fittings butt pipe fittings hot melt reducer direct full specification