This bathroom safety grab bar is NOT suitable for 4x4 inch tiles, and only fits tiles of 5.5 inches or larger (avoid grout lines). It can only be installed on smooth, non-porous surfaces such as tile, glass, and marble. Equipped with 5.5-inch heavy-duty large suction cups, it supports up to 220 lbs per unit with strong adsorption stability. It also features a red safety line to instantly indicate suction strength—if the line appears, press 5 times to restore vacuum adsorption and prevent sudden slips. Installation requires no screws, drilling, or wall damage: simply clean the surface, press the air pump until the red line disappears, and complete the setup in seconds. A step-by-step video installation guide is included for hassle-free operation. The product is waterproof and rust-proof, durable enough for installation in showers, bathtubs, next to toilets, or kitchens, providing reliable grip support for the elderly, pregnant women, and individuals with limited mobility. Enjoy 24/7 customer service after purchase—contact us immediately for solutions to installation issues, and always confirm surface compatibility first.
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