Black PVC Hose - Sold by the Roll Diameter:1/2" and in the winter they

and in the winter they help break down fish waste and prevent pond surfaces from completely freezing

Hy-Drive 2100 12685 025033126855 Hy-Drive 3200

Matala replaced the HK-80L and HK-120L models with improved models HK-80LH and HK-120LH in January 2015

Will help ensure sparkling water that keeps pumps free from organic debris

alternatively

Black PVC Hose - Sold by the Roll Diameter:1/2" and in the winter theyThis black PVC tubing is great for water flow from the pump to a waterfall weir. This black pond hose is flexible (relative to rigid PVC) and is resistant to kinking and crushing. Simply glue black hose to fittings and connectors with PVC cement. Fits schedule 40 PVC fittings Withstands 50psi Resists kinking Fish safe Note that the tubing on this listing may be sourced from overseas. For tubing sure to be made in the USA click on this link.