FLEXIBLE RIBBED TUBING - The Most Popular Choice for Connecting Pumps, Filters, Features etc. Being Black, it is Easily Hidden in the Pond. Our Tubing is Extremely Flexible, Heavy Duty, Non-Kink, UV Stabilised and of a Very High Quality. It Fits all Standard Fitting Sizes. 13mm, 19mm, 25mm, 32mm, 38mm, 51mm, 76mm - We sell all Sizes by the Metre, or a Full Roll is 30m.
PIPE SIZING / FLOW RATES:
The longer the tube length the larger the diameter required. If tubing needs to run more than three or four meters from pump to outlet, use the next size up to reduce friction loss.
13mm – maximum flow rate up to 1000 L/H
19mm – maximum flow rate up to 2000 L/H
25mm – maximum flow rate up to 3000 L/H
32mm – maximum flow rate up to 5000 L/H
40mm – maximum flow rate up to 8000 L/H
50mm – maximum flow rates over 8000 L/H