Nexus 300/310 Upgrade Kit To 320

Upgrade your retro Nexus 300/310 kit to 320 and enjoy the new and improved filtration system features by Evolution Aqua. Upgrade your Nexus 300 manufactured before 2006 (Old Model) to the new Eazy filter and enjoy easier cleaning and advanced mechanical and bio filtering for a cleaner, healthier pond and fish. Browse our selection of Nexus pond filters to find all you need for your garden pond.