Our water slot caps have a novel clamping technology and are universal for plastic and aluminium profiles. Material: hard PVC, UV, colour and weather resistant and therefore retains its natural colour for many years. Used to cover drainage holes on window frames and prevent water from running into your window frames or getting in through the rain. Window drain hole caps protect against whistling noise caused by strong wind, prevent insects from entering. Easy clamp mounting. Modern design, dimensions 30 x 12 x 5 mm Box contents: 25 pieces, colour: grey brown, suitable for 10 mm holes Attention Choose the appropriate size of covers according to the shape and size of the water slot of your window. In our Vooxa brand shop you will find 5 different sizes in 4-6 colours.