Fix-A-Flat S60420 Tire Repair Inflator, 16 oz Can | Fix-A-Flat aerosol tire inflators are the easiest and quickest way to repair a flat tire in an emergency. Fix-A-Flat is designed to seal small tire punctures in seconds and provide enough inflation to lift the rim off the ground. Our new water-based, better-performing sealant formulation is 100% environmentally friendly, with zero global warming potential propellant.