Rectangle Leaf Net Swimming Pool Covers (30 x 50 Ft.) Keep Falling leave out of your pool and make spring clean up a breeze. Essential for wooded areas, the Leaf Net Cover will catch leaves and debris before they fall into your pool. The mesh cover can be used whenever your pool in not in use or in early fall. Rectangle covers have grommets in the corners. Must use water bags to hold the cover down. 4 year limited Warranty. Pool Size: 30-feet x 50-feet Cover Size: 34-feet x 54-feet Tip: Leaf Net Covers must still use a winter cover underneath. Remove leaf net cover before first snowfall.