Specifications
12 suction cups hold it in place over the overflow opening (suction cups work best when dampened first)Made of clear vinyl treated with fungicide to resist mildewInside diameter: 4"; Overall diameter: 6"1" diameter hole at top of unit releases excess water into overflow outlet.IMPORTANT: If you have a drain with a chain and stopper, you will either have to disconnect the chain OR cut the rim around the 1" diameter hole to allow the stopper to pass throughItem must be inspected within 72 hours of receipt.