Laguna Non-Kink Pond Tubing, 1-Inch, Black Reversible argyle raincoat Thick and durable hosing is reinforced with solid concentric wire ribbing that will not collapse due to back pressure Tubing material is thick yet flexible and will not kink Hosing does not encourage the growth of algae and can easily be camouflaged Measures 1200-inch length by 1-inch diameter