HPI 12" x 120" Double Water Tube Blue | WB10DD POOL COVERS WINTER Removes and eliminates metals from

Removes and eliminates metals from pool

Armor Shield provides an important protective layer between a vinyl swimming pool liner and its sand or soil base

and fits Pentair 3/4″ deep frame

double chamber and wall bags — to ensure that your in-ground or above-ground winter cover is secure and does it’s job all winter long

HPI 12" x 120" Double Water Tube Blue | WB10DD POOL COVERS WINTER Removes and eliminates metals fromYard Guard makes a variety of water bags single chamber, double chamber and wall bags to ensure that your in ground or above ground winter cover is secure and does its job all winter long. These traditional water bags are time tested and proven to protect your winter cover from collapsing under the weight of ice and snow.