uxcell Aquarium Fish Tank Airline Tube Hose Connector Adapter 5.5mm to 7mm Dia 6pcs Color: Clear; Package Content: 6pcs x Hose Connector Product Name: Hose Connector Material: Plastic Net Weight: 8g Fit Hose Inner Dia.: 5.5mm/ 0.22", 7mm/ 0.27"