Designed specifically for sealing holes drilled into bricks, the Dryzone DPC Plugs ensure an easy and efficient solution for filling DPC injection holes as part of the Dryzone system. These plugs measure 30mm in length and 14mm at their widest point. They are ideal for sealing holes drilled in bricks and efficiently filling DPC injection holes as part of the Dryzone system. The dimensions are 30mm x 14mm (at widest point).