Feature:1. Plastic Material: The pool skimmer lid replacement is made of plastic material, it is durable, abrasion resistant, and can be used for a long time.2. Easy Installation: The pool skimmer cover is easy to install and can be directly replaced with old or damaged ones to meet your various needs.3. High Reliability: With high reliability and exquisite craftsmanship, pool skimmer lid is a practical accessory for swimming pools, ensuring safe use.4. Widely Used: Swimming pool skimmer lid can be used in swimming pools, SPA facilities, etc. Exquisite workmanship, providing you great using experience.5. Perfect Fit: The pool skimmer lid closely fits the original machine hole position with accurate shape and size, having less stuck situations during use.Specification:Item Type: Pool Skimmer CoverProduct Material: PlasticWeight: Approx. 122g / 4.3ozCompatible Models: for P6991Product Size: Approx. 20cm / 7.9inMiddle Aperture: Approx. 22mm / 0.9inCompatible with the Following Models:for 56369 and for Hydrium Steel Wall Pool, 610 x 360 x 120cm (set zu201720182021)for 56371 and for Hydrium Steel Wall Pool, 610 x 360 x 120cm (set up in 2017)for 56382 and for Hydrium Steel Wall Pool, 460 x 120cm (set U201720182019)for 56384 and for Hydrium Steel Wall Pool, 460 x 120cm (set U201820192021)for 56563 for Hydrium Steel Wall Pool, 300 x 120cm (set D02201720182019)for 56566 and for Hydrium Steel Wall Pool, 300 x 120cm (set Du201820192021)for 56571 and for Hydrium Steel Wall Pool, 360 x 120cm (set Du20182019)for 56574 for Hydrium Steel Wall Pool, 360 x 120cm (set date 201820192021)for 56583 for Hydrium Steel Wall Pool, 500 x 360 x 120cm for 56586 and for Hydrium Steel Wall Pool, 500 x 360 x 120cm (set Du20182021)for 56604 and for Hydrium Steel Wall Pool, 740 x 360 x 120cm (set 2017, 2018).Package List:1 x Pool Skimmer Cover