Hydroponics gardeners can oxygenate their system with the Single Micro-Pore Air Diffuser. This durable 1/4" connector ceramic air diffuser ensures generous bubbling action along its entire length. Kiln fired ceramic material will not react with nutrients solutions. Micro-Pore design produces smaller more prolific bubbles. Will not clog or break down like other compressed silicates diffusers. Extends the life of nutrient solutions for all types of hydroponics