DC24v, dia. 225mm, blowing, max airflow 1160 m3/ h, current input 2.4a, 2 speed and variable speed. Repalce SPAL Brush as below: 12Vdc: VA02-AP70/ LL-40A VA02-AP70/ LL-40S VA02-AP70/ LL-52A VA02-AP70/ LL-52S VA07-AP12/ C-31A VA07-AP12/ C-31S VA07-AP12/ C-58A VA07-AP12/ C-58S VA07-AP7/ C-31A VA07-AP7/ C-31S VA07-AP8/ C-58A VA07-AP8/ C-58S 24Vdc: VA02-BP70/ LL-40A VA02-BP70/ LL-40S VA02-BP70/ LL-52A VA02-BP70/ LL-52S VA07-BP12/ C-58A VA07-BP12/ C-58S VA07-BP7/ C-31A VA07-BP7/ C-31S No carbon brush/ Low power consumption/ Super long service life Maintenance-free/ Environment-friendly Short circuit protection/ Over-current protection/ Over-temperature protection Over-voltage protection/ Under-voltage protection/ Locked-rotor protection