Keeney is pleased to announce the plumbers patch stub out moisture guard to prevent water damage and mold. The closed cell foam patch with self adhesive backer wraps around the pipe stub out at the wall and prevents water from getting behind wall. Perfect for tub spouts and shower heads. Easy installation, no glue required. Carded package includes one patch to fit 1/2 in copper and one patch to fit 1/2 in iron pipe.