Universal Bathtub Stopper: Our universal bathtub stopper with a diameter of 66 mm fits all commercially available bathtubs and covers the entire tank drain. The sink filter is ideal for bathtubs and you will enjoy a shower. High Quality: The double rubber seal of this drain stopper is ahead of the competition, keeping the bathroom truly waterproof. Just put the stopper into the bathtub drain and prepare the lock. Adjust the height of the drain stopper easily with the metal screw. Thoughtful Design: Adopting a spring mechanism and a screw pusher, just push the sink stopper to drain the water quickly. The noble chrome cover shines with an extremely smooth surface in your bathtub. Wide Application: The spring stopper is suitable for standard size plug holes between 66mm, it is perfect for bathtub, please make sure the hole size before placing orders. Hold Fitting: The package includes 1 spring brass plug bolt and a cover. The spring drain stopper is suitable for 2.71 inch sink, can replace the bathtub.