The Rodenator Pro & R2 is a great way to eliminate all of your rodent problems! A Fast and effective way to get rid of burrowing systems! If you've been plagued by moles digging up your lawn or want to know how to successfully manage crop damage from raging rabbits or Rats - the The Rodenator Pro or R2 is what you need. The Rodenator Pro & R2 use a controlled mixture of propane and oxygen that is injected into the rodent's burrow. A built-in, self contained ignition system then ignites the mixture, creating an underground shockwave or concussion that instantly collapses the tunnel system The Rodenator Pro & R2 are both so fast and so effective - it takes care of digging pest problems virtually instantly !!