Competitive sources discovered by internet search may be HV but not UHV compatible. Vacuum components necessary to convert HV plasma sources UHV compatible require an expensive isolation valve and pre-pump components.
The GV10x UHV DS Asher is designed to reside on a UHV chamber after chamber plasma cleaning in millitorr range without breaking vacuum. This one of a kind in-situ plasma source eliminates the need for a costly isolation valve and pre-pump.