DNM1002 Features: * Aquarium cleaner * Made in United States Options: * Available in Small, Medium and Large sizes Color/Finish: * Color: Grey Specifications: * Small recommended to be used on aquariums up to 30 gallons with a surface thickness of up to 3/16 * Medium recommended to be used on aquariums up to 125 gallons with a surface thickness of up to 3/8 * Large recommended to be used on aquariums up to 350 gallons with a surface thickness of up to 5/8 Dimensions: * Small magnet dimensions: 2.38" H x 1.38" W x 1" D * Small dimensions: 2.25" H x 5" W x 6" D * Medium magnet dimensions: 3.88" H x 1.38" W x 1" D * Medium dimensions: 2.25" H x 5" W x 6" D * Large magnet dimensions: 3.25" H x 2.5" W x 1" D * Large dimensions: 2.25" H x 5" W x 6" D