Aquatabs 397mg Water Purification Tablets (100 Pack). Water Filtration System for, Camping, Boating, Emergencies, Survival, RVs, and Marine-Use. Easy to Use Treatment and Disinfection. is a Outdoors Recreation Essentials option for everyday use, business supply needs, resale shelves, or household stocking. Review product size, pack count, and shipping details before checkout.