Loop-Loc Ultra-Loc III Solid Safety Cover w/ Drains - 18' x 36' Rectangle w/ 4' x 8' Flush Left End Step rectangle-w-offset-left-step Manufacturer Part # R173572

Manufacturer Part # R173572

Manufacturer Part # RC523400

During the regular pool filtration cycle

Manufacturer Part # LLEC80

Loop-Loc Ultra-Loc III Solid Safety Cover w/ Drains - 18' x 36' Rectangle w/ 4' x 8' Flush Left End Step rectangle-w-offset-left-step Manufacturer Part # R173572Exclusively 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.