Smoke Detector Test Equpiment Includes (1) HO-1490-1 18 in (45.72 cm) Fiberboard Aerosol Adapter (1) N-30 30 in (76.2 cm) Open Delivery Aluminum Test Head (1) N-59 59 (1.5 m) Aluminum Extension Pole (1) VTB-1 Equipment Tool Bag Product Type Open Delivery Test Kit For Use With Residential or Commercial Detectors Market Commercial Residential Overall Length 8 ft Standards UL Listed ULC Listed