["brand new and high quality\nFeatures:\nBottle Coverfor DIY Co2 system\nCO2 system is designed for low cost planted for tank use\nEasily set up/low cost/excellent quality\nThis bottle cap is very well suitable to be DIY Co2 system’s accessory that the size fits common PET plastic bottle.\nThe composition is used as special high quality plastic for issuing great responsibility of rub, so it can be used for a long for time.\nEasy set up, excellent design.\nIt's worth to try and using it.\n\nSpecification:\nMaterial: ABS\nPattern: A, B (Same function, we will send randomly)\nDiameter: app.3cm/1.18''\nHeight: app.3cm/1.18''\nColor: Gray\nQuantity: 1 Pc\nNote: 1.Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid.\n 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage includes:\n1 x Bottle Cap (Without retail package)"] Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store