Evolution Aqua Nexus EAZY Upgrade Kits Model:EAZYUG220 it maintains an opening at

it maintains an opening at the pond surface and prevents pond surfaces from completely freezing

Increases filter efficiency by up to 25%

Kasco® Macro-Zyme™ Beneficial Bacteria was one of the original water treatments that utilize natural bacteria and enzymes to control and eliminate sludge and foul odors in tanks

All stained options utilize Natural-Kote™ eco-friendly soy-based stain

(3) Insert Elbow 3/4" Barb

Evolution Aqua Nexus EAZY Upgrade Kits Model:EAZYUG220 it maintains an opening atThe Evolution Aqua Nexus Upgrade Kit allows you to upgrade older models of the premium Nexus filtration system to get the best features of the new, improved models without having to buy the entire filter over again! The Nexus Upgrade Kits include all components needed to upgrade the EAZY filter module, which improves mechanical filtration and flow. SKU UPC Code Upgrades From Upgrades To EAZYUG220 5060088875872 Nexus 210 (2006 2014) Nexus 220 (2014