170mm Ceramic Cylinder Column Air Stone Koi Pond Aquarium Diffuser

Our heavy duty ceramic column air stones are suitable for ponds and aquariums.

These air stones are available in 4 different sizes - please ensure you have selected the required size. Sizes available are 30mm wide x 80mm long, 30mm wide x 105mm long, 40mm wide x 170mm long and 50mm wide x 200mm long

This listing is for the 70mm wide x 170mm long air stone.

These air stones will connect to standard 4mm or 8mm airline. Airline and other accessories are available if required.