Swimline PCO822 18' Round Above Ground Winter Pool Cover — 22 ft. Cover, 4 ft. Overlap, 8-Year Warranty tall heater burner it controls flow direction while

it controls flow direction while supporting pool and spa systems

with a brand new OEM Pentair SD40 Standpipe Assembly

its UL listing and NSF certification guarantee safe use with Hayward salt chlorinators and automation systems

Pool Frog achieves clean and soft water that your family will love

easy to use

Swimline PCO822 18' Round Above Ground Winter Pool Cover — 22 ft. Cover, 4 ft. Overlap, 8-Year Warranty tall heater burner it controls flow direction whileWinter covers for above ground pools are one of those things where you get what you pay for up to a point, and then not really. The PCO822 sits in the middle of Swimline's lineup, which is honestly where most 18 foot round pool owners end up anyway. Four feet of overlap is enough to secure it right, the 7x7 scrim keeps debris out without being overkill, and the blue black construction blocks enough light to keep algae from getting a head start while