With enclosed air fans, which provide instant resistance, which increases as stroke rates and effort increase.

 
All with adjustable resistance settings, some with full sculling action.  
With user adjustable magnetic resistance and “club” style single row arm function.  

AR1
Artemis II Air Rower
 
AR2
Super Air Rowing Machine

 
HR2-D
Hermes Deluxe Hydraulic Rower
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AMR1
Air Magnetic Combo Rower

 
   
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