Helix Life Support Bio-Mechanical Reactor Premium Pond Filter Type:Bio-Mechanical Reactor WITH Aeration Kit we do not sell a

we do not sell a "rebuild kit" per say

Large pellet will not restrict flow when compared to competing brands

It is always best to use Polish AC™ in conjunction with a filter

UV Bulb - T5 high-output maximizes effectiveness

Helix Life Support Bio-Mechanical Reactor Premium Pond Filter Type:Bio-Mechanical Reactor WITH Aeration Kit we do not sell aLARGE REACTOR LARGE REACTOR KIT ARE LOCAL PICKUP ONLY IN DOWNINGTOWN, PA Small Reactor can be shipped. The Helix Bio Mechanical Reactor is like no other standalone filter you have ever seen! It is revolutionary in its combined types of filtration for incredible effectiveness. This filter addresses biological filtration and mechanical filtration, which can handle all aspects of pond filtration even in ponds with very high fish populations. This filter