Hydro Flow Vinyl Tubing Black 1/4” ID-3/8” OD 100’ Roll organic | Airflow: 205 CFM |

| Airflow: 205 CFM | Noise: 28 dBA | Bearings: Dual Ball Product Description A smart inline duct fan designed to quietly ventilate hydroponic grow rooms

29 % AOAC 965

Auto-off 30 seconds after stable measurement

It is best suited for seed germination and propagation indoors

It is easy to use and can be applied throughout the growing season to ensure optimal plant nutrition

Hydro Flow Vinyl Tubing Black 1/4” ID-3/8” OD 100’ Roll organic | Airflow: 205 CFM |Premium excellent quality vinyl tubing. Made in the USA. Available sizes 3 16 in ID 1 4 in OD 100 ft 1 4 in ID 3 8 in OD 100 ft 3 8 in ID 1 2 in OD 100 ft 1 2 in ID 5 8 in OD 100 ft 3 4 in ID 1 in OD 100 ft 1 in ID 1. 25 in OD 50 ft