GLI 30' Round Armor Shield Liner Floor Pad | 70-0030RD-BLK-160 spinimages=36 The modular DE disc design

The modular DE disc design provides superior filtration down to 3-5 microns

Also known as: C7415

Distributes chlorine to pool water without harming filter equipment

Note these are just the tire treads for the wheel itself (360286)

GLI 30' Round Armor Shield Liner Floor Pad | 70-0030RD-BLK-160 spinimages=36 The modular DE disc designShape: Round Size: 30' diameter Armor 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. Features and