Lappkabel skintop dv m series cable gand seals lappkabel 54113020 this lappkabel skintopreg dv m seal is placed into the sealing ring of the skintopreg cable gland its purpose is to prevent humidity from seeping into the gland housing thus protecting unused connection points when the seal is assembled professionally and properly the protection class of ip 68 can be achieved lappkabel 54113020 skintop dv m20