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.