How to pronounce “compacter” in English

And so, I followed two groups, and then, one individual person.The two groups were -- one was "The Compacters". I don't know how many people here are familiar with The Compact. It was kind of a movement that started inSan Francisco in 2005 with eight friends who just decided for a year they weren't going to buy anything new. They would buy food, they would buy medicine,