Hydro-Logic’s reverse osmosis filter tubing in black. Sold in lengths of 50 feet with an outer dimension of 1/4 inch. Extra tubing can be useful for customizing your indoor hydroponic water filtration system.
Reverse osmosis filter tubing sold in white, black and blue
Comes in 25 ft and 50 ft lengths, in various lengths, tube dimension, and color
Customize your indoor hydroponic water filtration system