Home > Vehicles > WALLACE ENVIRONMENTAL WALLACE ENVIRONMENTAL Models Select a WALLACE ENVIRONMENTAL model to compare model years and view verified component failure histories. Published WALLACE ENVIRONMENTAL Models WETL 190E WETL 300 CE WETL 300 E WETL 300 GE WETL 300 SL WETL 300 TE WETL 412 WETL 500 SE WETL 500 SEC WETL 500 SEL WETL 500 SL WETL 560 SEC WETL 560 SEL WETL 560 SL WETL 600 SEL WETL 850I WETL TESTAROSSA