GLI 18' x 40' Oval Armor Shield | 70-1840OV-BLK-160 Pool Fencing 2 required Compatibility is based

2 required Compatibility is based on Pentair parts documentation and available OEM records

consistent filtration

this cartridge delivers consistent flow and long-lasting filtration performance to demanding high-volume pool systems

Contoured shape provides easy corner and step cleaning

GLI 18' x 40' Oval Armor Shield | 70-1840OV-BLK-160 Pool Fencing 2 required Compatibility is basedShape: Oval Size: 18' x 40' 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