Ferox Green

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The Heavy Duty Tabs - Each tab treats up to 50 gallons of fuel. This is our most popular tab pack among diesel owners and road trippers with large tanks or hauling frequently. Fero x Green is for the drivers who push their trucks to perform—whether that’s towing, hauling, rock crawling, or just showing up every day and getting things done. It’s for those who know how their truck sounds, how it pulls, how it responds—and who notice when something feels off.This tab isn’t just a performance booster—it’s the beginning of a shift in how you feel connected to your machine. It smooths out the strain, sharpens the response, and helps your truck feel like it’s working with you—not against you. Show more