GLI 21' Round Armor Shield Liner Floor Pad | 70-0021RD-BLK-160 Unit Rinse the filtration cartridge after

Rinse the filtration cartridge after use to extend its life

Silicone Lubricant for O-rings on the following Pentair Systems:

pH Balance for Safe

Durable high-grade plastic resists pool chemicals and UV exposure for extended service life

Built to endure the rigors of pool chemistry

GLI 21' Round Armor Shield Liner Floor Pad | 70-0021RD-BLK-160 Unit Rinse the filtration cartridge afterArmor Shield provides an important protective layer between a vinyl swimming pool liner and its sand or soil base. Unlike traditional foam padding, Armor Shield is a Polypropylene Geotextile blend that minimizes cuts and punctures to the vinyl liner caused by rocks, roots, grass and even GLASS! Armor Shield also reduces convective heat loss and provides a comfortable floor pad for the comfort of pool goers.