pack contains 100 effervescent tablets;simple and effective purification of drinking water;active ingredient: Sodium Dichloroisocyanurate (NaDCC;1 tablet purifies 1 litre of suspect water;When added to 1 litre of water yields 5ppm chlorine, in line with World Health Organization guidelines

• 100 OASIS WATER PURIFICATION TABLETS (10 x loose strips in polybag)

100 OASIS WATER PURIFICATION TABLETS (10 x loose strips in polybag)Hydrachem UK