Robert Marvel Plastic Mulch, LLC  

               Your source for all your plastic mulch and drip irrigation needs since 1974!

"Not only do we sell these fine products we also use them. We are farmers too! We know these products perform!"

Pressure regulators are recommended for all drip systems. Failure to use a pressure regulator can result in water hammer which can damage sub-mains and drip irrigation tape.  These regulators are flow activated. Water needs to be flowing through them at a constant rate to make them work.