Our 1/4" mini drip tubing is an effective and inexpensive method for watering your gardens! With pre-installed emitters at 6-inch spacing, this tubing is adaptable and flexible for all kinds of uses. Made from the highest quality resins and is also UV resistant. It can be used on a maximum row length of 30 ft. at 20 psi. Do not exceed 30ft in row length. Water output is .5 gal per emitter per hour. 100 ft. roll