Backyard AVENGER with CO2 regulator. Can be used for target control of mosquitoes, flies and yellow jackets. Requires the use of a CO2 tank which could be rented or purchased locally. Contains: Backyardavenger, 30 PSI fixed Pressure Regulator, 10 ft of PVC tubing and stainless steel hose clamps, One year supply of SKEETO LURE, One year limited warranty.