Fish Bowl 8mm Dia Single Way Air Flow Control Valve 4 Pcs Clear White Product Name : Aquarium Air Pump;Type : One-Way Material : Plastic;Color : Clear White Connector Dia. : 6 x 8mm/0.24" x 0.3"(Inner Dia*OD);Total Size : 3.8 x 2cm / 1.5" x 0.8" (L*W) Weight : 6g Package Content : 4 x Aquarium Air Pump