Why should you buy a pool leaf net cover?

Leaf Nets for InGround Swimming Pools

Leaf Net Cover - Product Review – The Pool Factory

1pc Leaf Net Pool Cover,Protective Net Cover, Used For All-weather

Pool Leaf Net Cover Pool Leaf Net Cover for Rectangle Inground

Leaf Net In-Ground Pool Cover – Blue Wave Products

Premium Leaf Net Pool Cover - Round, Oval & Rectangle - Island

Tighter Knitting and Durable Leaf Net Cover for 16 X 32FT Inground

Pool Safety Net & Combination Pool Leaf Cover Duo

Swimline LN30RD 30' Round Leaf Net Above Ground Pool Cover