HOD HEALTH AND HOME Australia has been operating online and instore for 8 years. All products come with a 1 year warranty, fast shipping and special offers added to our site daily.. Features Strong Magnetic Force: Efficiently Cleans Algae And Residue Without Submerging Your Hands. Non-Slip Grip: Provides Steady Handling For Safe And Precise Cleaning. Glass-Safe Design: Protects Aquarium Glass While Effectively Removing Algae And Buildup. Floating Feature: Prevents The Brush From Sinking To The Bottom Of The Tank. Universal Compatibility: Works On All Glass Aquarium Surfaces Suitable For Various Tank Sizes. Specifications Material: Non-Abrasive Scrubber With Soft Velvet Outer Pad Compatibility: Suitable For Glass Aquariums Dimensions: Small: 8 × 4 × 5.5 Cm (3.14 × 1.57 × 2.16 In) Medium: 10.5 × 4.7 × 7.5 Cm (4.13 × 1.85 × 2.95 In) Large: 11.5 × 6 × 8.5 Cm (4.52 × 2.36 × 3.34 In) You Will Receive 1 × Magnetic Fish Tank Brush Note Ensure Compatibility With Your Tank's Glass Thickness Before Use. Slide The Magnetic Cleaner Gently To Avoid Trapping Sand Or Gravel Which May Scratch The Glass.