Helps relieve compaction. Allows air to penetrate, promoting root growth. Tines can be ½” ¾” or 1”
Charterhouse Verti-Drain 7416
Blec Groundbreaker Vibra Sandmaster & turf doctor sample (inset)
John Deere Aercore 1500
Standard hollow core 13 to 19mm tines, working depth 50 to 100mm. Small hollow core 6 to 13mm tines, working depth 25 to 50mm.