Solo 330 smoke dispenser allows simulated smoke (not supplied) to be introduced to a detector sensing chamber in a safe and effective manner. Suitable for the majority of detectors (up to 100mm/4" in diameter), the Solo smoke dispenser has a test cup that provides a clear view of the detector LED, and its spring loaded mechanism helps to conserve the aerosol and minimise waste. To test smoke detectors installed at a height, the Solo 330 smoke dispenser can be used with a Solo telescopic Access Pole.