Drip kit or system

Mister Landscaper drip system: tubing, fittings and head order

Mister Landscaper's MLT tubing is .600 x .700 in, its 1/4 in vinyl .145 x .295 in. Its regulators, its own head order and its cautions.

Also listed as Mister Landscaper, MLT-71, MLF fittings

We may earn a commission if you buy through links on this page. How we make money

Short answer

Mister Landscaper's 1/2 in MLT-71 and MLT-72 tubing is .600 x .700 in, its MLF fittings are reusable locking-collar fittings with O-rings, and its 1/4 in tubing is vinyl at .145 x .295 in. It requires its 25 psi regulator for drippers and suggests 50 psi for micro sprays. Its head order is for its own system only, and it says the system is not for indoor use. See faucet head assembly.

Key facts

What it is
A drip and micro-spray system; Mister Landscaper says it is not for indoor use[1][2]
Tubing
MLT-71 (50 ft) and MLT-72 (100 ft) 1/2 in poly: .600 x .700 in. 1/4 in vinyl (MLT-B30, MLT-B100B, MLT-T100B, MLT-S20): .145 x .295 in[1]Mister Landscaper says its 1/2 in tubing can be covered with mulch or buried.
Fitting type
MLF reusable locking-collar fittings with built-in O-rings: MLF-33 faucet fitting, MLF-34 tee, MLF-35 elbow, MLF-36 coupling, MLF-ENDCAP[1]
Threads
Regulators MLD-25PR and MLA-58: 3/4 in hose threads[1]
Emitters or outlets
Drippers: maximum operating pressure 25 psi, minimum 5 psi. Its MLS-22 extension raises a stake assembly to more than 18 in[1][2]
Pressure range
Drippers 5-25 psi[1]
Filtration
150 mesh filter in its head order[2]
Pressure regulation
25 psi regulator (MLD-25PR) required for drippers only or drippers mixed with micro sprays; 50 psi regulator (MLA-58) suggested for micro sprays[1]
Maker cautions
Its own head order from the faucet: backflow device, timer, pressure regulator, 150-mesh filter, poly faucet fitting. A regulator before the timer can build up excessive pressure. Its regulators are not for use inside a house or anywhere a leak could cause damage. Check the system every 1-2 weeks[2]This order is Mister Landscaper's for its own system; other makers differ.
Parts the maker lists for it
The MLF-31 backflow valve is discontinued; Mister Landscaper links an Eastman 3/4 in FHT x MHT brass vacuum breaker on Amazon as a replacement. MLS-22 stake extension[2][3]That link is a maker referral; no certification or code status is stated for the device.
Maker-page conflicts
Not confirmedNo conflict recorded between Mister Landscaper's catalog and FAQ.
Not confirmed
Not confirmedNo pressure rating or wall for MLT tubing. No certification for the linked vacuum breaker; what your faucet needs is for your water utility to decide. No confirmed cross-fit of its vinyl with .170 in ID poly parts.

Watch out for

  • The head order is Mister Landscaper's for its own system. No source in our register gives a universal order.
  • Its 1/4 in tubing is vinyl at .145 x .295 in, not .170 x .250 in poly.
  • Mister Landscaper says some water draining from its backflow valve's relief holes is normal.
  • Mister Landscaper says its system is not for indoor use.

What fits

Product details below are the seller's own description unless a source is shown. Pick the variant named for each item.

Questions

In what order do Mister Landscaper's faucet parts go?

Its FAQ lists backflow device, timer, pressure regulator, 150-mesh filter, then the poly faucet fitting, and warns that a regulator before the timer can build up excessive pressure. That order is for its system only.[2]

Which Mister Landscaper regulator do I need?

It requires the 25 psi MLD-25PR for drippers only or drippers mixed with micro sprays, and suggests the 50 psi MLA-58 for micro sprays.[1]

The MLF-31 backflow valve is discontinued. What now?

Mister Landscaper links a brass vacuum breaker on Amazon as a replacement. Whether a device meets local requirements is for your water utility; see backflow preventers.[2][4]

Sources

  1. Mister Landscaper Product Guide · Mister Landscaper · Mister Landscaper tubing, regulators, filters, drippers and fittings · checked 15 Oct 2026
  2. Mister Landscaper Drip Irrigation and Micro Spray. FAQs - Drip Irrigation and Micro Spray Kits · Mister Landscaper · Maker FAQ: installation order, backflow device, regulators, MLF-31 replacement referral · checked 15 Oct 2026
  3. Eastman 3/4 Inch FHT x 3/4 Inch MHT Hose Bibb Anti Siphon Vacuum Breaker, Brass Plumbing Fitting, 20199 · Amazon.com · Listing title of the Amazon page referred by Mister Landscaper · checked 15 Oct 2026
  4. Distribution System Water Quality: Protecting Water Quality through Cross-Connection Control and Backflow Prevention · U.S. EPA Office of Water · Cross-connection/backflow fact sheet for public water systems · checked 15 Oct 2026

Next review due 14 Jan 2027.