These Mighty Magnets are recommended for 1-1/2″ to 2″ aquarium wall thickness. The inner floating magnet dimensions are 5″ x 7-1/2″ x 2-1/4″ thick.
Product includes: Plastic Storage Case, Spacer Block, Instructions, and an extra Acrylic Safe Pad Set (outer magnet Felt Pad and inner magnet Algae Scrub Pad).
This product is compatible with: Replacement Pad Set (C/C), Algae Cutter Bag (C), Dozer Pad (C), Scratch Removal Kit (C).
Always clean, inspect, and test products in an inconspicuous area of the aquarium.