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3/8" self-sinking airline is perfect for small aeration systems where short feeder line runs are required. This weighted feeder line stays on the bottom and requires no weights to keep it down. Makes installations easy and clean. Flexible, non-kinking PVC hose is easy to cut and uses standard 3/8" barbed connectors.
Air Friction Loss of 3/8" Tubing
CFM | Distance | PSI Friction Loss |
1 | 100' | .63 PSI |
1.5 | 100' | 1.26 PSI |
2 | 100' | 2.06 PSI |
3 | 100' | 4.15 PSI |
4 | 100' | 6.85 PSI |
5 | 100' | 10.12 PSI |
Do not try and force too much air through your tubing or you will experience back pressure on your air pump caused by the friction loss. When long tubing runs are required consider using a 5/8" I.D. or 3/4" I.D. tubing.