DC24v, dia. mm, blowing, max airflow 2410m3/ h, current input 6.8a, 2 speed and variable speed. Repalce SPAL Brush as below: 24Vdc: 2VA06-BP70/ LL-37A 2VA06-BP70/ LL-37S VA03-BP70/ LL-37A VA03-BP70/ LL-37S VA03-BP70/ LL-68A VA03-BP70/ LL-88S VA03-BP90/ LL-68A VA03-BP90/ LL-88S VA04-BP70/ LL-37A VA04-BP70/ LL-37S VA04-BP70/ LL-68A VA04-BP70/ LL-88S VA09-BP12/ C-27A VA09-BP12/ C-27S VA09-BP12/ C-54A VA09-BP12/ C-54S VA09-BP50/ C-27A VA09-BP50/ C-27S VA09-BP8/ C-27A VA09-BP8/ C-27S VA09-BP8/ C-54A VA09-BP8/ C-54S VA26-BP50/ C-44A VA26-BP50/ C-60S VA26-BP70/ LL-68A VA26-BP70/ LL-88S VA59-BP70/ LL-37A VA59-BP70/ LL-37S VA59-BP70/ LL-68A VA59-BP70/ LL-88S 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