Disinfectant wipes and sprays are often used on treadmills and cardio machines, while other high-touch items like dumbbells, free weights and balls used in close contact sports are often neglected. Disinfectant wipes and sprays are often used on treadmills and cardio machines, while other high-touch items like dumbbells, free weights and balls used in close contact sports are often neglected. We sure your guests feel confident that they are using equipment that has had a thorough clean.