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To turn a regular toilet into an odor-proof toilet, you must modify the original toilet, seal the bottom of the toilet to prevent the odor from coming back from the bottom, then install the pipe toilet drainage. Transform the drain pipe into a floating micro-flush odor-proof urinal. The Double Floating Micro Flush Anti-Odor Urinal has two layers of water seals. which can effectively block odors and is not difficult to implement.