New Hampshire - :Mighty Magnet F4 model in original Case with pad, etc for thick tanks. Hard to find these used | REEF2REEF Saltwater and Reef Aquarium Forum
F-4 for 1/2″ to 1″ – Mighty Magnet Inc.
MAG-FLOAT Glass Floating Magnetic Aquarium Cleaner, Small - Chewy.com
Mighty Magnet | REEF2REEF Saltwater and Reef Aquarium Forum