Нержавеющая сталь пожарный спринклер

Stainless Steel Fire Sprinkler Drops  Pendent 

The sprinkler are automatic sprinklers of the frangible bulb type.They are "standard/quick response-standard orifice spray sprimkler" intended for use in fire sprinkler systems designed in accordance with the standard installation rules recognized by the applicable Listing or Approval agency.