Helix Life Support Bio-Mechanical Waterfall Filters Submersible 5" FPT inlets and two

5" FPT inlets and two 1

noxious odors

5" wide arms are elevated 7" above the seat

45 mil rubber liner and underlament

Helix Life Support Bio-Mechanical Waterfall Filters Submersible 5" FPT inlets and twoLARGE FILTERS ARE LOCAL PICKUP ONLY IN DOWNINGTOWN, PA Small Filter can be shipped. The Helix Bio Mechanical Waterfall Filter is a great filter that uses lava rock and a large biological chamber for biological filtration, nitrate reduction and water polishing. The important distinction of this filter is the air assisted cleaning feature that makes it possible to flush out the filter through high and low bottom drains. The high bottom drain removes