SPECTACULAR WALL OF BUBBLES: the diffuser creates a dramatic mist of healthy, aerating bubbles. SUPER POUROUS WAND: connect the wand to your air pump (not included) for an even distribution of bubbles. CONNECTOR INCLUDED: to allow you to create any length of bubble wall by connecting this wall to other Penn Plax bubble walls (sold separately). LENGTH OF THE WAND: this bubble wand is 10 inches long SHOP PENN PLAX FOR ALL YOUR PET’S NEEDS: Penn Plax is a manufacturer and distributer of top pet supplies, who specialize in creating excellent pet products for animals both great and small.