SP-252/M Simplicity Plus 252 Analogue Addressable FACP (Metal Box) 578.00 , MKII-AOP Fyreye MKII Addressable Optical Smoke Detector 28.00 , MKII-AHR Fyreye MKII Addressable Rate of Rise Heat Detector �£28.00, MKII-CB Fyreye MKII Common Base �£ 2.00 , ZT-CP3/AD Zeta Addressable Call Point (New Type) �£ 33.00 , ZTBG-EXD "Explosion Proof Break Glass Unit" �£ 324.00 , MKII-AXTB/R "Addressable Xtratone Sounder Beacon, Red plastic" �£ 55.00 ZTSR/EXD24 Flame Proof Siren (24V DC) �£ 835.00, ZIS-OSD Instrinsically Safe Optical Smoke Detector �£ 216.00, ZIS-PHD Intrinsically Safe Programmable Heat Detector 216.00, ZIS-40 Base for Intrinsically Smoke Detector 11.00, MTL7728 MTL7728 Zener Barrier 345.00,