Used in Slimline Mailsafe to extinguish fire.
A self contained extinguisher tube filled with extinguishant.  For smaller installations where an extinguishant bottle is inconvienient.  The tube is manufactured from specially produced polymer materials to achieve the desired detection and delivery characteristics.  Pyroflex does not rely on detecting the fire at a single point, but anywhere along the tubes length

Replacement pyroflex tube for MSSL90 Slimline PostSafe:  0.360 mtr x 8mm FE-25 Pyroflex.
Recommend the tubes are replaced every 5 years