Hydro Flow Vinyl Tubing Black 1/4” ID-3/8” OD 100’ Roll organic You can use your choice

You can use your choice of hydroponic media (sold separately) such as clay pebbles Number 4 perlite rockwool mini cubes coco chips etc

Each convenient 20mL packet helps calibrate your testing equipment to ensure precise readings

Great for hydroponic uses to check plant health

It is best suited for seed germination and propagation indoors

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

Hydro Flow Vinyl Tubing Black 1/4” ID-3/8” OD 100’ Roll organic You can use your choicePremium 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