Regulation or blocking of individual sprinklers, the GARDENA regulation and shut-off box is used ? as part of the GARDENA sprinkler system ? for manual regulation and shut-off of individual pop-up sprinklers or entire sprinkler groups, the water flow rate can be infinitely adjusted or completely shut off. The water flow rate can be adjusted continuously or shut off completely, the ball lid disappears inside the can when opened and is therefore no obstacle even when mowing the lawn, the wide, circumferential edge prevents grass from growing into the lid, a removable sieve prevents soiling of the can when the lid is open, the GARDENA Regulating and Shut-off Can has a 34 ? external thread.