Specifications:

• Sentry Chlorine Pellets: Contains 5 2.2 lbs bags of high quality chlorine pellets (calcium hypochlorite).
• These chlorine pellets are listed Standard 60 and are USDA Food Grade. Available chlorine is 70 percent.
• These one gram 3/8 inch pellets can be used for sanitizing wells and are also designed to work in dry pellet chlorinators including the Dry Pellet Model 400 chlorinator; the Sentry pellet feeder; Land-O-Matic and Sentry Open Air Systems.
• Not for use in the WellPro Chlorinator (Use item C2000150 WellPro pellets).
• Great for sanitizing wells and pipeLine and water heaters.
• NOTE: cannot be shipped back, store returns only.