This Floating Magnet is recommended for 1/4″ to 1/2″ aquarium wall thickness. The inner floating magnet dimensions are 3-1/4″ X 4-1/2″ x 1-1/2″ 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 (A/A), Algae Cutter Bag (A), Dozer Pad (A), Scratch Removal Kit (A).
Always clean, inspect, and test products in an inconspicuous area of the aquarium.