Hygger Invisible Aquarium Air Stone - 60mm Blennies 500 is a backup power

500 is a backup power accessory for compatible TUNZE electronic pumps

test items

Adjust the output flow to suit the aquarium and livestock

0-10V ports

The system includes a rimless ultra-clear display

Hygger Invisible Aquarium Air Stone - 60mm Blennies 500 is a backup powerHygger Invisible Aquarium Air Stone 60mm The Hygger Invisible Aquarium Air Stone 60mm is a discreet aquarium aeration kit for aquarists who want stronger bubble coverage without a bulky air stone standing out in the display. Its transparent acrylic body, 60mm air disk, and EVA aeration surface help create steady bubble movement for freshwater, saltwater, reef, hydroponic, aquaculture, or small pond use. Hygger 60mm Invisible Air Stone Overview This