Replacement Compressors for KoiAir™ Aeration Systems. If you have a KoiAir™ 1, use the KA20 and use the KA40 for KoiAir™ 2.

Keep your diaphragm aeration system running at its best with an Airmax® KoiAir™ KA Series Diaphragm Maintenance Kit. Over time, diaphragms can wear and breakdown causing decreased system performance. Airmax® KoiAir™ Diaphragm Maintenance Kits contain the parts you need to restore…

…performance of your aeration systems and compressors, air filters should be replaced once every six months. Replacement Air Filters can be used in the following systems: 510153 fits: KA20 Compressor, KoiAir™ 1 and The Pond Guy® Aeration Kit 510149 fits: KA40 Compressor, KoiAir™ 2

Replacement rubber coupler and two spring or squeeze clamps for the following water garden aeration kits: The Pond Guy® Water Garden Aeration Kit and Airmax® KoiAir™ Aeration Kits.