Merits P301 GEMINI Heavy Duty RWD Powerbase Wheelchair merges excellent power and stability with superior carrying capacity of 450 pounds. 1. Unique sMerits P301 GEMINI Heavy Duty RWD Powerbase Wheelchair merges excellent power and stability with superior carrying capacity of 450 pounds. 1. Unique sMerits P301 GEMINI Heavy Duty RWD Powerbase Wheelchair merges excellent power and stability with superior carrying capacity of 450 pounds. 1. Unique s