Dual 150 Dehumidifier
February 11, 2021
MERV 13 Pleat Filter
February 11, 2021

MERV 11 Pleat Filter

39.96 $USD

Size 16″ X 20″ X 2″

Quest Dual 105

Quest Dual 155

Quest Dual 165

Quest Dual 205

Quest Dual 225

Quest Hi-E Dry 120

Quest Hi-E Dry 195

Quest 155 50-Hz

MERV 11 Pleat Filter 16″ X 20″ X 2″

THE (UN)FILTERED TRUTH: How to Maximize Your Dehumidifiers’ Performance
As cannabis cultivators know, climate control in a grow is a top priority. And an important aspect of controlling humidity is understanding filtration (MERV 11 Pleat Filter) and ducting. If not handled properly, both can create common issues for anyone using commercial dehumidifiers. And each can cause a drop in performance, causing costly fluctuations in relative humidity.

Here’s the deal. Filters, like MERV 11 Pleat Filter, get dirty. That’s not a bad thing. It means they’re doing their job. They’re a critical part of dehumidification, responsible for removing airborne dirt and particulate, mold spores and pathogens that might otherwise find their way onto plants.

But as they capture particulates, something happens inside dehumidifiers: The pressure builds, and air doesn’t flow as easily through the dehumidifier.

That matters because without changing something, your dehumidifier won’t deliver the results you need, and performance will dip and drop off—meaning optimum growing conditions won’t be maintained. So, the verdict? Don’t forget to change your filter!

As a rule of thumb, it’s standard to change filters with every “turn of the room” or after each harvest, using the factory-recommended filter rating. Quest uses MERV 11 to MERV 13 most often.

This avoids any cross-contamination from one cycle to the next. In addition, cultivators should inspect the filters every two to three weeks to verify they do not need to be changed out more often due to excessive levels of dust in the air.

“Think about a screen on your window. It will be pushed harder and harder if you have a fan blowing hard against it,” said Jerome Verhoeven, an electrical engineer at Quest. “The same goes for filters. As they clog, they become more resistant to airflow.”


  • Quest Dual 105
  • Quest Dual 155
  • Quest Dual 165
  • Quest Dual 205
  • Quest Dual 225
  • Quest Hi-E Dry 120
  • Quest Hi-E Dry 195
  • Quest 155 50-Hz


Weight 0.5 kg
Dimensions 16 × 2 × 20 in


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