Feature: 1. With good toughness and softness, and can be bent at will to meet your needs. 2. Perfect fish tanks accessories, used with oxygen pumps, to achieve the effect of adding oxygen to the fish tanks. 3. Connect to the air pump and put it in water to help the air pump pump oxygen into the water. 4. Oxygen-aeration bubble bar, made of high-quality PE material, durable and corrosion-resistant. 5. Not easy to block, easy to clean, even bubble outlet, good landscaping effect, and has ornamental value. Specification: Condition: Brand New Item Type: Air Stone Bubble Bar Material: PE Product Color: Black Product Function: Connect to the air pump and put it in the water to help the air pump pump oxygen into the water and play an oxygen-increasing effect Product Size: Unfolded Length: Approx. 32cm / 12.6in Package List: 2 x Air Stone Bubble Bar Note: 1.Please allow 0-1 inch error due to manual measurement. Thanks for your understanding. 2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.