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Micro-Jet ULV 7401

Versatile Ultra Low Volume Fogger

The Fogmaster Micro-Jet ULV® 7401 fogger allows precise adjustment of particle size, under 7 micron VMD, for ultra low volume application. This allows use of more concentrated fogging solutions, and speeds up treatment time -- at typical ULV application rates, the fogmasterULVMicro-Jet covers 2-4,000 cubic feet per minute.)

A 9-turn precision needle valve controls liquid output and droplet size. Set the valve to a low flow rate to produce near-invisible ULV droplets. For heavier fogs and mists, Increase the flow rate. Once the valve has been set, you can use the vernier calibration to return to the same setting, or snap a lock ring to prevent accidental changes.

Chemical flow rate is easily calibrated in the field to adjust for differences in liquid density, viscosity or surface tension. And since the Micro-Jet handles both water- and oil-based liquids, this one machine can satisfy all your fogging requirements.

The Micro-Jet ULV is widely used in schools, restaurants, zoos, barns, hotels, and similar locations requiring professional application. Light-weight, and supported by our five-year limited warranty, the Fogmaster Micro-Jet ULV is an outstanding choice.



1 Hp, 120VAC 50/60Hz, 7 amp [optional: 240V, 3.5 amp]

Fogging Nozzle

High-shear, counter-rotating vortex design

Particle Size

7- 30 micron VMD, adjustable
(ultra fine, dry fog to heavy, wet fog)

Liquid Flow Rate

0-10 oz/min [0-300 ml/min]
Nine turn vernier valve
Valve lock feature


Water- and oil-based solutions

Tank Capacity

1 gallon [4 liters]

Materials of

Power head housing and tank - aluminum
Tubing - fuel and oil resistant vinyl
Fittings - brass
Control valve - glass filled nylon, stainless stem, Viton® seal
Nozzle - Celcon¨ acetyl copolymer


·  Stainless steel fittings

·  Tank with float valve (brass; 1/4" compression fitting)

·  Stainless steel tank (avail Q2 2003)


H x L x Dia: 15.4 x 10.4 x 8.6 in [39 x 26 x 22 cm]

Shipping Weight

12 pounds [6 kg]

Warranty Period

Five years


To see a full line of Fogmaster products, click on the following link to fogmaster.com