The juwel aqua clean comes with three extendable pipes allowing several adjustable cleaning depths of 30cm12 40cm16 and 60cm24 this could particularly benefit those who have several tanks of different sizesr this cleaner features two clips one for the aquarium and one for a bucket it also has a shut off valve which can be switched off this makes it easier when the bucket needs emptying as the syphon will not breakr it also includes an adaptor to allow the inside of the juwel filter b