Robert Marvel Plastic Mulch, LLC  

Phone 717-838-0976

Fax 717-838-0978

               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 Compensating In-Line Drip Tubing

To order click here




Plastro Hydro®-PC Emitters

  • Unique flow regulating concept: wide effective labyrinth, leading into the flow
    control chamber, where a sensitive floating diaphragm regulates and maintains a constant flow rate at variable inlet pressure.

  • High clog resistance:

    • Dripper’s large intake filter is continuously flushed by the water flow.

    • Large cross section on labyrinth.

    • Self-cleaning mechanism at the flow regulated water outlet.

  • Uniform flows from 7–60 PSI

  • Manufactured from durable plastics for long
    service life.

  • Protected against UV degradation.

  • Resistant to chemicals and fertilizers
    commonly used in agriculture.

Recommended Filtration: 120 mesh








pressure compensating



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