Superior features of Barrix Housefly Lures:

• Contains highly pure para-pheromones.
• Kairo / Phero lures are toxic free.
• Uses highly successful aggregate pheromones.
• Sustained release through AVP matrix.
• Bio-degradable formulation.

These Phero and Kairo lures combines in this trap these lures contains Z-9-Heneicosene and  Z-9-Tricosene molecules which are very effective against the houseflies. 

(Z)-9-Tricosene, known as muscalure, is an insect pheromone found in dipteran flies such as the housefly. Females produce it to attract males to mate. Use of these lures are to traps males to prevent them from reproducing.