... fiber suffers no attenuation4, the closure is spacious enough for winding and storing fibers5, fiber optic splice trays (FOSTs ... and reduce FOSTs8, innovative elastic integrated seal fittingApplications1, suitable for bunchy fibers2, Aerial, underground, wall-mounting, hand hole- ... testing valve1 pc 2Earthing deriving device1 pc 3Buffer tube for bundy fiber1 roll4Metal hoop1 set Dome mechanical seal ...