VSP-005 VESDA Filter Cartridge for VLF, VLC, VLP & VLSVSP 005 VESDA Filter Cartridge The VSP 005 VESDA filter cartridge is a genuine replacement filter designed for use with VESDA aspirating smoke detectors. This dual stage VESDA filter removes dust and airborne contaminants from sampled air before it reaches the optical detection chamber, helping maintain reliable early smoke detection. Regular replacement of the VSP 005 filter helps maintain the accuracy and reliability of your VESDA aspirating smoke