Editorial Review These 2" round air stones are made from silica. They can be used with most air pumps that accept 3/16" tubing (air hose).
Features 1) Can be used with any Aquarium or pond air pump that accepts 3/16" tubing. 2) These 2" round air stones are made from silica. 3) Helps diffuse air into the water. 4) Can soak in vinegar when partially clogged. 5) Replace air stone when soaking is not effective.
Specification Brand : Airmax ProductGroup : Lawn & Patio ProductTypeName : OUTDOOR_LIVING Title : Airmax Eco-Systems 001055 2 in. Replacement Pondair Blue Air Stone