Whirl-A-Way Flat Surface Cleaner Spray Arm for 12" Part Number 85.791.016
The bar does not measure 12" this is for a 12" Flat Surface Cleaner
Nozzles/Tips are not included.
Nozzle openings on Spray Arm arm 1/4" Female Pipe Thread (FPT)
See nozzle chart to size your machine then divide by 2 to come up with the nozzle that you would need for your flat surface cleaner.
Machine is: 3.5 GPM @ 3000 PSI = Size 4 Nozzle (see nozzle chart under parts - nozzles)
Take size 4 nozzle and divide by 2 would = nozzle size 2
Purchase two size 2 nozzles 1/4" MPT at either 15 deg. or 25 deg. to fit your flat surface cleaner if your machine took a size 4 nozzle.