Hydrologic Polyethylene Tubing, 25′, White, 1/2″
Hydrologic’s reverse osmosis filter tubing in white. Sold in lengths of 25 feet with an outer dimension of 1/2″ and an inner dimension of 3/8″. Extra tubing can be useful for customizing your indoor hydroponic water filtration system. Also available in 50′ lengths in black and blue, 1/4″ and 3/8″ outer dimensions.