- Compatible with 3M™ Fiber Splice Trays 2532 and 2543
- Accommodates up to 6 3M™ Fibrlok™ or mass fusion splices in each insert
- Ideal for indoor or outdoor applications
- Fits single ceramic rod 12-fiber mass fusion sleeves or double ceramic rod 4- to 6-fiber mass fusion sleeves
- Comes with an adhesive backing for firm adhesion
3M™ Mass Fusion Splice Insert 2521-R-12RF-MF-A with an adhesive back is designed to hold up to 6 3M™ Fibrlok™ or mass fusion splices. It is compatible with 3M™ Fiber Splice Trays 2532 and 2543.