For AL-KO AKS 3004 Hitch Stabiliser Side Friction Pads & Front Rear Pads Caravan. (1) 4-in-1 soil tester for plants and lawn. (4) pH (12 levels): 3.5~9.0pH. (8)PH: 0.5pH. Humidity (5 levels): dry +, dry, NOR, wet, wet +.
eBay