Ef-Chlor400mg fast dissolving Effervescent Tablets for Drinking Water Purification & Sterilization 1 Tablet purifies 100 litress Water pack of 64 tablets

Ef-Chlor 400mg Fast-Dissolving Effervescent Sterilization Tablets | Disinfection for Water, Surfaces & Equipment | 1 Tablet Treats 100L Water | Pack of 64

Ef-Chlor 167 mg Water Purification Tablets - 100 Pack NaDCC - Rapidly Effective Against Bacteria, Viruses, and Spores - Purifies 20 Liters of Drinking Water per Tablet

Safe Chlor Tab 20 | Chlorine Tablets for Watercan of 20 Ltrs, | Kills Germs, Prevents Algae | Water Purification Tablets | 1 Tablet to Treat 20 liters | Pack of 200 Tablets for 4000 Ltrs