Osmosis cartridge 3 l / h for MICROMATIC water purification systemBottles without graduation, body made of PET, 38,5 mm mouth for easy filling and square shape that optimizes packaging and transport. Polyethylene cap with security ring. Sterilized by ethylene oxide and single packed in polyethylene bag: the sterility of the product is only guaranteed if the pack is intact. Available with predosed sodium thiosulfate (20 mg L), according to ISO 19458.