HTH® 4400 Hey! Cool Pool® Flip Plop® 2 Part System Winter_Items Do not puncture or incinerate

Do not puncture or incinerate container

100% uv treated polypropylene sunblock top

Sponge insert for moist heat

Square horizontal foam closure strip

Single lever valve mounting hub locks into position in seconds

HTH® 4400 Hey! Cool Pool® Flip Plop® 2 Part System Winter_Items Do not puncture or incinerateCrystal clear water made easy; plop it in and flips when empty. Treats 2000 to 5000 gallons. Contains 1 mineral and 1 chlorine cartridge. 2 part system: top half treats water for 6 months & bottom half chlorinates up to 4 weeks. 2 part system: top half treats water for 6 months & bottom half chlorinates up to 4 weeks Easy mineral sanitizing pool care Bacteria fighting minerals Plop it in water & wait until it flips Treats 2000 to 5000 gallons.