GLI 21' Round Armor Shield Liner Floor Pad | 70-0021RD-BLK-160 WATER FEATURE - WATERFALL - LAMINAR Smith) Centurion Pro Motors -

Smith) Centurion Pro Motors - Threaded Shaft - C Flange - 1

Can quickly check phosphate levels

Measures the phosphate levels from 0

Its fast-acting

GLI 21' Round Armor Shield Liner Floor Pad | 70-0021RD-BLK-160 WATER FEATURE - WATERFALL - LAMINAR Smith) Centurion Pro Motors -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.