Pool Mate Heavy-Duty Leaf Nets are the easiest way to remove leaves from your pool cover. This lightweight durable mesh netting sits on top of your pool cover collecting the mass of rotting leaves and debris. Simply place the leaf net on your pool cover and remove it once the leaves stop falling. This is the best way to prevent the mess and will keep your pool cover pump from clogging. Customers prefer using a leaf net along with a pool cover because it catches hard-to-deal-with leaves. This polyethylene leaf net is constructed to last year after year. Four year warranty.