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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, to less than 7 micron VMD for ultra low volume application. This allows use of more concentrated fogging solutions and speeds up treatment time; the Micro-Jet covers 2-4,000 cubic feet per minute when applying ULV insecticides at typical label rates.

A 9-turn precision 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 setting is established, you can use the vernier calibration to return to the same setting. You can also 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. The Micro-Jet handles both water- and oil-based liquids, so 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.


Micro-Jet® ULV 7401

Motor 740110: 1 Hp, 120VAC 50/60Hz, 7 amp
740120: 1 Hp, 220-240V 50/60 Hz, 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 0-8 oz/min [0-250 ml/min]
Nine turn vernier valve
Valve lock feature
Chemicals Water- or 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
Seals & O-rings - Viton®
Nozzle - Celcon® acetyl copolymer
Options HDPE nozzle for strong oxidizers
Stainless steel fittings
Stainless steel tank
HP (high pressure) motor: 740112, 740122 [8A; 4A]
Tank with float valve (brass; 1/4" compression fitting)
Dimensions 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 Five years

Micro-Jet ULV 7401
Spec Sheet

Micro-Jet ULV 7401
Parts List

Operating Manual


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