Size Information: the 90 degree elbow is suitable for 1-1/2 inch and 1-1/4 inch pool vacuum hoses; The skimmer vacuum plate measures . 7 inches in diameter; Please confirm the size before purchase Easy to Install: the above ground pool vacuum plate is easy and convenient to install, you just need to attach this skimmer vacuum plate to vacuum hose, then place it over the skimmer basket and begin vacuuming, bringing much convenience to you A Good Helper: our pool skimmer skim vacuum plate adapter is a practical and useful tool, you can use the skimmer vacuum plate to avoid blocking the pool cleaner, which can extend the service life of the cleaner Colour:As Shown Material:ABS Package Contents: 1X Pool Skimmer Vacuum Plate Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.