J7 & JT is easy to install and a 7 layers-filter with HEPA and carbon activated filters which can effectively filter out all particulate matter along with roasting odor and VOC. Ultimate smoke filter system designed for cost efficient, environment friendly, and easy to maintain compared to the conventional system.

Roasting made pleasant with Stronghold filters

J7 & JT is easy to install and a 7 layer-filter with HEPA and carbon activated filters which can effectively filter out all particulate matter along with roasting odor and VOC.

Ultimate smoke filter system designed for cost efficient, environment friendly, and easy to maintain compared to the conventional system

Chaff Filter
Large particles such as silverskin of the coffee

Glass Filter
Large and medium particles

Medium Filter
Up to 70% particle (>2.5 µm)

Carbon activated filter
Odors and VOC

Demister
Moisture and smaller chaff

Pre filter
Medium and small particles

HEPA Filter
Up to 99.9% of particles (> 2.5 µm)

Filter Replacement Frequency and Cost

Chaff filter

Demister

Glass Filter

Pre filter

Medium filter

HEPA Filter

Carbon activated filter

Washable (semi-permanent)

Replace after 200 batches

Replace after 100 batches

Replace after 300 batches

Replace upon detection of unpleasant odors