Classen 42" Tow/3 PT. Aerator Catalog Landscaping Classen 42" Tow/3 PT. Aerator Manufacturer : Classen Manufacturing Description Constructed of 1-1/2" x 1-1/2" solid steel (not square tubing) Wide open area aerating made easy Heavy-duty core aerator with weight tray for optional added weight Aerate up to 4" deep with solid steel 1.5" x 1.5" core tines 2-Year Warranty Rates Please contact us for current pricing and availability. Request Availability