Standard Metric Ribbed Black Pond Hose Standard Metric Ribbed Black Pond Hose. Anti-Kink Tubing provides all the strength and flexibility required in water garden koi fish pond applications. The thick and durable hosing is reinforced with solid concentric ribbing that will not collapse due to the weight of covering materials, gravel or back pressure. The tubing material is made from anti kink technology to be thick yet flexible ensuring minimum water resistance and maximum water flow, even in turns. The black ribbed tube does not encourage the growth of algae and can easily be camouflaged. The tubing is non-toxic and is fish plant safe. Aquatic Safe! Will fit all Metric applications like Hagen/Tetra/Fishmate/Oase. Coiled Roll of 3/4 Inch 20mm Metric Pond Anti Kink Hose. Please note will not fit American standard fitting items ? Thick Wall Pond Hose For all Types of Applications ? 3/4 Inch (20mm) Diameter Pond Hose ? Length of Roll is 98 Feet (30m) ? Use with Twin Wire Hose Clamps ? Coil roll UV stabilized and will not kink ? Water Garden, Koi Fish Pond, and Aquatic Plant Safe We sell many aquatic products, check out our store! Terms and Conditions. We use all approved payment methods. Sales Tax will be added to all shipments based on regulations. 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 canceled 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.