Matala Self-Weighted Air Tube Diffuser

Features and Benefits:

• The MTD-300W is 12″ long.
• These are self-weighted 2″ diameter tubes with a rubber membrane wrapped around the outside.
• The MTD-300W come with 2 separate barbs which must be glued in place.
• Use regular PVC glue.
• The barb sizes include a 2-section barb with 5/16″ and 3/8″ size and a 1/2″ barb size.