EnviroCare Premium Vacuum Cleaner Scent Tablets, 16 tablets Lemon Scented tablets for use in all canister and upright vacuum cleaners bagged or bagless vacuums Crush one tablet and vacuum up the tables into the vacuum cleaner bag or dust cup and when machine is running the air will circulate in the air and carpets Non-Toxic, non-GMO, non-hazardous, safe for people and pets, Manufactured by EnviroCare Technologies