Invercargill MP Penny Simmonds, Health NZ Social chief medical officer Dr David Gow (left) and Health NZ social group operations manager Craig Aston attend the opening of the new Invercargill dialysis unit. PHOTO: SUPPLIED A new $440,000 dialysis unit, which opened at Southland Hospital on Monday, will meet a growing demand and provide much-needed care closer to home for Southland people.