Aerial Weathertight Splice Closures,Aerial Weathertight Splice Closures. consists of one set of elastic integrated seal fitting, our company patent product, which, based on an advanced formula, is made of injection-molded, high quality elastic sealing material by numerical control equipment. It is installed between FOSCcover and bottom. Under ambient temperature from ?0C to +65C, it can be shrinking and dilating to ensure long-term sealing performance of FOSC. It also ensures good re-sealing performance after closing and reentry for many times. Elastic integrated seal fitting is a new breed in China and advanced internationally.