GLI 18' x 40' Oval Armor Shield | 70-1840OV-BLK-160 Pool Fencing have a licensed electrician confirm

have a licensed electrician confirm the circuit is de-energized and locked out before any work begins at the light niche

Hand-tighten the union nuts only

Pentair 178655 Cartridge Replacement Quad 80 Pool and Spa D

your system requires 3 cartridges for a complete service

consistent filtration

GLI 18' x 40' Oval Armor Shield | 70-1840OV-BLK-160 Pool Fencing have a licensed electrician confirmShape: 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