JBL ProClean Aqua EX is a comfortable, easy to use gravel cleaner with automatic suction device. Due to special valve, siphoning off water by mouth no longer necessary. The integrated coarse sieve in sediment bell prevents blockages in the tubing. The cleaner has a angle for better cleaning of corners in the aquarium. Other gravel cleaners, which are round, cannot clean corners. The package contains: the gravel cleaner, one tap, 2 m grey-transparency hose and 2 hose clips, for holding the hose on the aquarium glass or the bucket.JBL ProClean Aqua EX 20-45+ sophisticated and highly effective gravel cleaner to siphon off waste in aquariums from 20 cm height upwards+ use: shake the gravel cleaner, let water flow into the bucket, siphon the waste out of the substrate, close the stopcock when finished+ the round gravel cleaner has one corner which helps you move the dirt and reach the corners of the aquarium when you turn it+ safe for the animals: the protective sieve can be removed for cle