VESDA-E VSP-962 Replacement Filter for VEP & VES DetectorsVSP 962 VESDA Filter Cartridge The VSP 962 VESDA filter cartridge is a genuine replacement filter designed for use with VESDA E aspirating smoke detectors. This VESDA filter VSP 962 helps protect the sensitive optical detection chamber by removing dust and airborne contaminants from sampled air before it reaches the detector. Regular replacement of the VSP 962 filter helps maintain the accuracy and reliability of VESDA aspirating smoke detection