Corning Gosselin Water Sampling Octagonal PET Bottle, 250 mL, Graduated, 160 mg/L Sodium Thiosulfate, 31 mm Tamper-evident Cap, Sterile, 24/Pack, 144/

• PET is transparent and break resistant • Molded graduations for accurate volume sample collection • Powdered sodium thiosulfate is easier to dissolve than tablets • Labeled with lot number, expiration date, and sodium thiosulfate dosage information • Convenient shrink-wrapped packs of 24 bottles • Wide neck for easier sample collection • Tamper-evident screw cap to ensure integrity until collection