" data-description="Air Action Colourful Shell is a very pretty looking resin ornament which creates some extra movement in your aquarium. Using a small air pump (not included) the gentle air flow opens and closes the Cockle Shell and adds some extra oxygen in too. Approximate dimensions 10cm (l) x 10cm (w) x 6cm (h). Recommended air pump: Betta AP-2000 or similar. Colour selected at random. Air pump sold seperately." data-product-sku="">