Quest MERV 8 Pre-Filter for Quest H5 - 18 x 18 x 1 CO2 Tank That color change is normal

That color change is normal and shows healthy growth

Limited 1 year warranty

Add CANNA COCO A & B to the nutrient reservoir with the dilution ratio 1:25 (40 ml A and 40 ml B per 10 litres of water)

The display is an open-front tray with a printed header

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Quest MERV 8 Pre-Filter for Quest H5 - 18 x 18 x 1 CO2 Tank That color change is normalQuest MERV 8 Pre Filter for Quest H5 The Quest H5 Pre Filter MERV 8 (12 Cs) is a crucial accessory for maintaining the performance and longevity of your Quest H5 Dehumidifier. Rated MERV 8, this pre filter is designed to capture larger airborne particles such as dust, pollen, and lint, ensuring they are removed before reaching the internal components of your dehumidifier. By trapping these contaminants early, the pre filter not only improves air