This fogging nozzles have a flow range of 91 l/min to 6586 l/min. They are available, if requested, with a shut-off needle. The 1J Series has air and liquid feeds on the opposite ends of the body and they have a plug (removable) that is good for future use, in case an add-on is needed. 1JN Series has a manual shut-off needle, that serves the purpose of stopping the liquid flow.