Zinc-coated steel plate spiral duct
This is a spiral duct made using zinc-coated steel plate as specified in JIS G3302.
●Durable: The spiral structure serves as reinforcement, resulting in extremely high strength. ●Easy to install: Various joints are used, making the hanging work efficient and significantly reducing construction time. ●Manufacturing: We also produce specified dimensions and prefabricated ducts according to site and transportation conditions. (Standard length 4m)
- 企業：フカガワ
- 価格：Less than 10,000 yen
