Key Features Official Oase spare part High-quality seal Fits Oase Biosmart & Thermo Filter Models Easy Replacement Ensure continued smooth operation of you filter pump Official Oase spare part - replacement seal for the pump head of the Oase Biosmart and Thermo filter models. This seal is thick and fits well into place forming a tight seal around the filter pump head. General maintenance of your filter pump requires the replacement of this part. Replacement will ensure the continued smooth and efficient running of your product. The seal fits snuggly around the head of the filter pump. Other spare parts are available from our store or if you require any assistance then please don’t hesitate to contact us. Specifications Item Weight: 50g Item Number: 45148