Please choose a "Central" Commercial Horizontal Sidewall sprinkler:
ELO SW20
K= 11.2
ELO SW24
K= 11.2
GB
K= 5.6
(standard 5mm bulb)
GB-QR
K= 5.6
(shown with optional escutcheon)
(QR model has a smaller 3mm bulb)
GB-EC
K= 5.6
GB-LO
K= 8.0