Please choose a "Central" Dry Type Concealed Pendent sprinkler:
A-1 K= 5.6
GB4, GB4-EC, GB4-FR, & GB-4QREC K= 5.6
*Note: There are four models of the sprinkler (on your right) that look very similar. Check the deflector for the specific model number and click on the model that matches.
GB4-EC K= 5.6
GB4-FR K= 5.6
GB4-QREC K= 5.6