APPROVED SOURCES

RODENT GUARDS FOR DOUBLE-WALLED POLYETHLENE PIPE

MANUFACTURER BRAND

                       Advanced Drainage Systems                          ADS N-12 Rodent Guard

                       Eagle Grove, IA

                       Agridrain                                                           Eternal Rodent Guard

                       Adair, IA

                       Midwestern Culvert                                          MC Mesh Cap 4

                       Ankeny, IA

                       Nick’s Welding                                                 NW5 Rodent Guard

                       New Hartford, IA