Orbit Irrigation 4 Port Drip Fitting. This drip irrigation fitting comes equipped with 4 ports, allowing you to run 4 different 1/4" drip lines to your garden plants. The 4 port manifold continues to be the number one choice by homeowners. This versatile drip irrigation manifold includes threaded outlet caps if not all ports are in use. Easy to use drip irrigation. Comes with an easy access filter to prevent clogging.