Nitrotel supplies high quality fiber optic splice closures. Our dome type closures have the versatility and features that make it a perfect choice for fiber-to-the premise networks. The closure is an openable box which is made of high tension ABS industrial plastic which make it resistant to water, fire and shock.Thedome and the end plate are sealed with rubber material and fixed tightly by a hoop. Cables use shrinkable tubes as sealing. The closure can be opened and used again, no need to change the sealing material after being used.