The GT500 blowers are labeled H122, its a 3 lobe hybrid. Thats where the 'H' comes from. No such thing as an M120 from my understanding. M112 were the Terminator and Lightning blowers.
The GT500 blowers are labeled H122, its a 3 lobe hybrid. Thats where the 'H' comes from. No such thing as an M120 from my understanding. M112 were the Terminator and Lightning blowers.