What is this?This stopper is mainly used to block the openings in the air conditioner outdoor unit and plays a clogging role to avoid condensate dripping from the drain pan. It's also applicable to other equipment having similar holes to be blocked.What will I get?Material: RubberColor: GreySuitable for blocking hole: 20mm/ 4/5"Diameter 1: 18mm / 0.71 inchDiameter 2: 25mm / 0.98 inchHeight: 10mm / 0.39 inchPacking List: 5 x PlugsAre there any advantages of the product?1. Made of durable rubber with good elasticity, strong and reliable, compact and sturdy, and has a long service life.2. It is easy to install and not easy to fall off after installation.How to use it?Select the appropriate size and insert it into the opening.What should I notice?Please check the size carefully before purchasing.
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