FEATURES
two hooks in the upper part and four suckers for better tightness; a concave
surface for placing the suckers in order to obtaint a perfect glass-filter
adherence, avoiding the penetration of the small fish; the inside of the filter
has been adjusted in order to insert up to four seections for the different
filtering materials; the bottom part of the filter is provided with a prehole,
breackable for adding another possible pump and tube for an undergravel filter,
in order to obtain two separate filtration systems; possibility of placing
the filter on one of the sides of the glass tank, at the discretion of the
final user; with this kind of filter, the maker of the aquariums will save
time, silicone and stick-on labels.