

The world's favourite nutrient meter just got better with the V2! With its super tough, high quality, fully waterproof design, no calibration required, daylight...
Reduce the noise in your duct work by adding a silencer. They absorb the noise created by fans and from the air hitting the sides of the duct work. Silencers remove a lot of unwanted noise; two can be used in series where unwanted noise is a particular problem.
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