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The 20 mm ceramic cell is the vibrating heart of your ultrasonic mist maker. Over the weeks, limescale and wear cut the fog output, and a single tired membrane is enough to drop the humidity of your indoor garden. At BloomLED, indoor growing expert for over 10 years, we offer this replacement kit so your mist maker instantly delivers a cool, dense and steady fog again — essential for cuttings and the growth of your young plants.

| Specification | Detail |
|---|---|
| Membrane diameter | 20 mm |
| Compatibility | Mist makers, 1 to 9 cells |
| Fog type | Cold ultrasonic fog |
| Use | Tent & terrarium humidification |
The ceramic membrane vibrates at ultrasonic frequency to atomise water into micro-droplets. The result is a cold mist that raises humidity without heating or wetting the foliage.
A wear part by design, the cell is changed without any tool: remove the tired membrane, clip in the new one, and your mist maker runs at full power again — no need to buy a whole new unit.
Cuttings, seedlings and mother plants demand a high humidity level. A healthy cell guarantees a constant fog for fast rooting and vigorous growth.
Yes, this 20 mm model fits ultrasonic mist makers from 1 to 9 cells of the Rodwin Electronics type and equivalents. Simply check the diameter of your original membrane.
How often should the cell be replaced?It depends on your water hardness and running time. As soon as the fog weakens despite descaling, it is time to fit a new cell.
A fresh membrane means controlled humidity and cuttings that root faster — for a few euros instead of a whole new mist maker.