Send a stream of air bubbles thru your aquarium bed with this high quality aquarium Airstone diffuser set. Simply attach to your air pump with standard airline tubing to create a decorative curtain of tiny bubbles that helps agitate and aerate your aquarium water. Great for freshwater, saltwater/reef/marine aquariums and hydroponic use Fits standard air line tubing.

• Fine Bubble output
• 5/16 4mm Fitting for airline
• High Output with very fine bubbles
• 2 pack Value
• Easy to clean and sanitize with soapy water