These Free Chlorine Powder Pillow reagents are USEPA accepted for reporting in drinking water analysis using Hach Method 8021. For use with Hach’s chlorine visual test kits.

Product Details
• Pack of 1000 powder pillows
• 5 mL sample size
• Range from: 3.5 mg/L Cl₂
• Boric Acid free!

Product Number 1407728

*This product has not been evaluated to test for chlorine and chloramines in medical applications in the United States.