VIKING-9AV-Horizontal sidewall 0_5inch
https://thiendang.net/thidaco/catalog-pccc/thiet-bi/sprinkler/VIKING-9AV-Horizontal sidewall 0_5inch.pdf
https://thiendang.net/thidaco/catalog-pccc/thiet-bi/sprinkler/VIKING-9AV-Horizontal sidewall 0_5inch.pdf