Adjustable drippers are handy in a landscape setting as it allows you to increase the flow as the plant matures and requires more water. Check the flow rate which are stated in a range from 0-? Some may not close completely to zero so check each drippers specs.
You also want to notice how the water is dispersed as some will have a 360 deg streams whicle others may only have a single stream.
Some come on stakes while others have a normal barb end like most drippers.
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