Replacement Wooden Airstone mt-60-ws

Wooden Airstone

• Required for proper diffusion of particulate matter in any saltwater aquarium with a protein skimmer.
• This works in many brands of units but was specificically made to fit the demanding space of the 28 nanocube 
• Replace every month for best results on your cube or tank
• NOTE: many other brands will not fit this protein skimmer
• This stone is 3" by 1/2" and comes in a 2 pack