Python 7.5M Nospill Cleanfill

The Python 7.5M Nospill Cleanfill. Quite possibly the water changing gadget you have been dreaming of. With the Phython Cleanfill changing your fish tanks could only be easier if someone else did it for you. Simply attach the Phython to a tap open the bell on the python, turn on the tap and then gravel clean or just suck out the water. To refill the tank close the bell and the water flows to the tank easy.