Feature: 1. Use the freeze plugs to protect your pool against the harsh winter season. A simple solution which prevents your pool from running into serious damage. 2. Used as pipe plugs, to plug skimmers, returns and cleaner lines to prevent water from entering the pipes during winter. 3. Expansion plugs have other uses too, such as pressure testing pool lines or other methods of leak detection, or stopping water flowing from the pool when equipment repairs are made. 4. Made of high‑quality rubber, it has maximum expandability and can make sure a tight sealing. 5. Built to meet or exceed standard specification, strictly follow factory quality control. Specification: Condition: Brand New Item Type: Expansion Plugs Material: Rubber Color: As shown in the picture Size: Approx.51mm/2in Weight: Approx.190g/6.7oz Application: Used as pipe plugs, to plug skimmers, returns and cleaner lines to prevent water from entering the pipes during winter. Expansion plugs have other uses too, such as pressure testing pool lines or other methods of leak detection, or stopping water flowing from the pool when equipment repairs are made. Package List: 2 x Expansion Plugs