Loop-Loc Ultra-Loc III Solid Safety Cover w/ Drains - 20' x 40' Rectangle w/ 1' Offset 4' x 8' Left Step poolshark-in-ground Manufacturer Part # R0011700

Manufacturer Part # R0011700

0 ppm for a residential hot tub) and makes the water feel silky soft and look crystal clear

Manufacturer Part # 072471

Manufacturer Part # SP1078

Loop-Loc Ultra-Loc III Solid Safety Cover w/ Drains - 20' x 40' Rectangle w/ 1' Offset 4' x 8' Left Step poolshark-in-ground Manufacturer Part # R0011700Exclusively From LOOP LOC: The Ultra Loc III Solid Safety Cover Is Tougher than Tough, Stronger than Strong! You no longer have to choose between the light weight of a mesh pool cover and the light blocking benefits of a solid cover. The revolutionary Ultra Loc III gives you the best of both worlds! Premium coated vinyl material with enhanced 100% polyester Rip Stop Scrim. Requires no pumping, scrubbing or heavy maintenance like solid waterbag covers.