GLI 21' Round Armor Shield Liner Floor Pad | 70-0021RD-BLK-160 Unit Its stainless steel finish resists

Its stainless steel finish resists corrosion in humid

pH Balance for Safe

Rinse the filtration cartridge after use to extend its life

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

GLI 21' Round Armor Shield Liner Floor Pad | 70-0021RD-BLK-160 Unit Its stainless steel finish resistsArmor 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.