one stop outdoor 3/4" drip irrigation/hydroponics y filter with 155 mesh screen - 3/4" fht x 3/4" mht hose thread connections one stop outdoor heavy duty filters with 155 mesh screen elements, used to protect drip irrigation systems in residential & commercial installations. the screen filter protects the water passages of drip emitters & micro sprinklers from particles that may enter the irrigation system. the screen filters provide reliable, low-maintenance filtration & help to ensure trouble-free operation of both drip & micro sprinkler systems