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Use a special wrench for the sprinkler installation. 9, when the width of the ventilation duct is greater than 1.2m, the sprinkler should be installed below its ventral surface.

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Use a special wrench for the sprinkler installation. 155°F Fire Sprinkler Head Brass Pendent Spray Down 1/2 Thread, 5pcs/lot. 5pcs/lot Pendent Fire

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68 Degree Brass Pendent Fire Sprinkler - China Sprinkler Head

MASUNN 1/2 Inch 68 °C Pendent Fire Sprinkler Head Brass For Fire

High Quality 1/2 Inch DN15 Brass Pendent Type Fire Sprinkler Head

68 Degree Brass Pendent Fire Sprinkler - China Sprinkler Head

60PCS) K363 Pendent/Upright Fire Sprinkler Head 74 Degree Fusible

5pc Fire Sprinkler Head 93℃/199 Pendent Type 1/2 Thread

Buy High Quality 5Pcs 3/4 Inch DN20 Brass Upright Type Fire Sprinkler Head Fire Extinguishing System Protection 68 Degrees at Aliexpress for . Find

High Quality 5Pcs 3/4 Inch DN20 Brass Upright Type Fire Sprinkler Head Fire Extinguishing System Protection 68 Degrees