Use to convert 1/2" underground sprinkler to a micro irrigation drip system. Screw this manifold directly onto a 1/2" sprinkler riser to convert it to an 8 outlet manifold for 1/4" drip tubing. Fully adjustable ports can be individually set from 0 to 30 GPH (gallons per hour). Swivel arms allow for easy adjustment and tubing placement. Built-in filter extends lifespan of system by preventing clogging from debris. Ultra violet inhibitors minimize polymer breakdown when used in outdoor applications.