Directory of pages in this website
Allen's Twitter
Where's Allen?
PERC Pictures Page
Photographs and descriptions of H & M Gopher Control's Pressurized Exhaust Rodent Controller in use
- Photos of the trailer mounted PERC Model PERC 620, 412, 206T and skid-mounted 206
- Four hose system with probes, pulled behind an ATV
- Photos of probe system in use
- Photos of Walking Beam Tandem Axle assembly
PERC Specifications Page
Technical Specifications of H & M Gopher Control's Pressurized Exhaust Rodent Controllers, PERC 412 and PERC 206. Includes link to printable Operator's Manual in PDF format.
- Equipment Specifications
- Printable Operator's Manual in PDF format
Order PERC Page
Information on how to place an order for an H & M Gopher Control Pressurized Exhaust Rodent Controller, including pricing guide
- Orders for new PERC controllers and inquiries are welcome.
Allen's Page
Allen Hurlburt provides background to his research of rodents and rodent control, citing resources and links to additional information. Also shows photos of H&M Gopher Control's assembly shop.
Allen's Blog
Latest updates from Allen Hurlburt
PERC Instructional Video
Video showing the operation of the PERC Pressurized Exhaust Rodent Controller
Farmers' Page
Photos and information from actual PERC users and customers
PERC Locator
Find out where people are using PERCS!
Gophers Page
Information and facts about gophers and how to eradicate them, with links to additional information
Ground Squirrels Page
Information and facts about ground squirrels and how to eradicate them, with links to additional information
Moles and Voles Page
Information and facts about moles and voles and how to eradicate them, with links to additional information
Prairie Dog Page
Information and facts about Prairie Dogs and how to eradicate them, with warnings regarding Prairie Dog colonies.
Maintenance & Troubleshooting Page
Information about how to use, maintain and adjust your PERC machine.
Home Page
Overview of the H & M Gopher Control Pressurized Exhaust Rodent Controller (PERC)
- The Gopher and Ground Squirrel Problem
- An Elegant Solution
- Points of Interest
- Operator Safety
- The Benefits of Pressurized Exhaust for control of rodents

