fire sprinkler icons silhouette, fire sprinkler head icons, sprinkler head logo icons, fire sprinkler split monogram

calligraphy advertising cartoon drawing diagram number sketch poster brand label font line text logo iron element prevention white building simple sign isolated plumbing object extinguish physical business suppression office danger sprinkling department protect house extinguishing equipment ceiling alarm head system water pressure spray extinguisher safety firefighter security protection emergency residential automatic smoke sprinkler vector design icon heat pipe fire fighting symbol detector valve flame sensor fireman liquid nozzle