(2-Pack) - 1/2" FPT SPRINKLER CONVERTER W/ FOUR 1/4" BARB OUTLETS (Qty - 4) Use this 1/2-in adapter with 4 individual 1/4-in barbed outlets to retrofit and convert an existing underground irrigation sprinkler to micro sprays or drippers This converter has a built in filter to help keep debris from clogging the drippers Also included are 4 caps to permanently shut off water flow to any of the 1/4-in outlets that will not be used Installation is easy by first removing the existing sprinkler then thread this 1/2-in female pipe thread adapter onto the 1/2-in male pipe threaded PVC riser Next attach the 1/4-in vinyl to the barbed outlets to run to either 4 micro spray stake assemblies or up to 20 drippers