Koenders Windmill Replacement Parts Biofilter and one 7" aluminum oxide

and one 7" aluminum oxide air stone with check valve

MetaFloc provides the most flocculation and phosphorus binding per gallon of any product in the market

180 Blue 124 0

5” FNPT inlet and 1

The nominal wall thickness is between 3/16” and 1/4” making a nice sturdy tank

Koenders Windmill Replacement Parts Biofilter and one 7" aluminum oxideReplacement parts for your existing Koenders Windmill Windmills that were purchased before the year 2000 will be a generation 1 unit, and require "old style" parts. Any unit purchased after the year 2000 will be a Generation 2 or newer. Most parts are interchangeable for single and double diaphragm units, though double diaphragm units require the 26" blades and 2 diaphragm repair kits.