GB
K= 5.6
(standard 5mm bulb)

GB QR
K= 5.6
(QR model has a smaller 3mm bulb)

A-1
K= 5.6

ELO-16 GB, ELO-231 GB,
ELO-16 GB FR, & ELO-GB QR
K= 11.2

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*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 drawing that matches.