PondH2o Flexible 4'' to 3'' PVC Reducer Coupling with Stainless Steel Clamps PondH2o rubber reducers are great when pipework is already installed and you don't want the hassle of ripping it out when a new filter is needed. These reducers are made from a high grade EPDM rubber to ensure they give the best of seals. They come complete with metal clips that can only be adjusted with a flat head screwdriver. They can fit on many different pipe grades like PVC, waste and pressure pipe. They come with a strong metal clamps to ensure a tight seal, the clamps are smooth on the edges to make them safe with fish. ? PondH2o Flexible 4'' to 3'' PVC Reducer Coupling ? Stainless Steel Clamps ? Coupling made from high grade rubber (EPDM) ? Extremely strong and durable ? High impact resistance at lower temperatures ? UV resistant We sell many aquatic fittings online, check out our store!! Terms and Conditions. We use PayPal for taking payment, if you wish to purchase via other methods please email us for customer service. Sales Tax will be added to all shipments to New Jersey. We always try to combine purchases, please contact us directly for a personal service. You will be notified on the day that your goods have been dispatched via e-mail with tracking which is used on all purchases. Please note that if there are any problems, contact us first via e-mail giving full details of any problem along with your user ID. We use USPS and UPS as our chosen carriers shipments to Hawaii, Alaska Puerto Rico may incur surcharges, contact will be made to advise before shipment at which point the order can be cancelled if desired. Orders placed on Saturday/Sunday Public Holidays will be processed next working day. We pride ourselves on excellent feedback, if any part of the buying experience is not to your satisfaction, please contact us to rectify before leaving feedback. By committing to buy you are agreeing to the Terms Conditions stated above.