Top 10 advantages of Aquabox over gravel Top 5 advantages of Drainpanel over gravel Watch how easy it is to install: Aquabox basin in Punta Ala Aquabox installation efficiency beats gravel and concrete Aquabox takes 75 times fewer truckloads than gravel Aquabox stormwater management at Milan Bergamo Airport Drainpanel: 96 % rainwater retention volume Drening: plastic tunnel for rainwater infiltration and attenuation 1 2