Neptune - MPR - Magnetic Probe Rack

Organize your aquarium probes and ensure they stay where you want them with Neptune Systems magnetic probe rack! Designed with APEX controller probes in mind, the holder is constructed of weather and shatter-resistant acrylic to hold up to the conditions in your tank. Neodymium magnets will hold through glass up to 1/2 in. thick - perfect for most aquariums or sumps.