Rain Bird XBD-80 Xeri 8-Outlet 1/4-Inch Drip Manifold Unique union base nut allows removal of Xeri-Bird 8 body from riser for easy installation. Each port accepts a Xeri-Bug emitter or PC module. Integral 200 mesh filter is easily serviceable from the top. Sure grip barbed outlets securely retain 1/4-inch tubing. Threads onto any 1/2-inch riser.