Filter standard ISO 16890

Hands holding paper house

On 1 July 2018, a new filter standard came into force.
EXHAUSTO retains the old item numbers, but uses the new designations in item texts, etc.

Filters for VEX40T

New filter standard

The new filter standard contributes to filter efficiency and classification that is more in line with reality as well as the same standard across the world, creating less confusion.

 

Types of contaminants and filter separationgmethode

 

Ingress of particlesone in the body

 

How to determine filter class after 2018-Default Values

  • Test performed with 0.3-10 μm particles
  • Classification is based on results for particle sizes PM1, PM2.5 and PM10
  • The filter is discharged of static electricity during the test
  • Dust load with ISO “fine dust” to find pressure loss
Filter class Requirements Test category
ePM1ePM 2.5ePM10
ISO Coarse--

≤50%

Coarse filter
ISO ePM10  

≥50%

ePM10 [%]
ISO ePM 2.5 ≥50% ePM 2.5 [%]
ISO ePM1≥50%  ePM1 [%]

 

The table below is an excerpt from the classification table. Here you can see:

  • which requirements in relation to starting efficiency and efficiency after discharge for each filter class
  • what type of filter the previous filters should/can be replaced with
PM1 classificationPM2.5 classificationPM10 classificationGrove

ePM1 [95%]
ePM1 [80%] ∼ F9
ePM1 [65%]
ePM1 [50%] ∼ F7

ePM2.5 [95%]
ePM2,5 [80%]
ePM2,5 [65%] ∼ F7
ePM2,5 [50%]

ePM10 [95%]
ePM10 [80%]
ePM10 [65%]
ePM10 [50%] ∼ M5

Weight excretion reported in 5% steps


Requirement: > 50% start
efficiency > 50% discharge efficiency


Requirement: > 50% start
efficiency > 50% discharge efficiency


Requirement: > 50% start
efficiency No discharge requirement

No discharge requirement

 

Result of the test

New designations for the panel filters used for VEX100 – 200 – 300

Previous designationFilter class according to ISO 16890
M5Coarse 85%
F7ePM1 55%
F9ePM1 80%

 

Pre-filtering

The filter selection must take into account the current outdoor climate and the desired indoor climate.

According to ISO 16798, you must select the filter class according to the quality of the outdoor air (ODA) and the quality of the supply air (SUP):

Outside air qualitySUP1 (High) PM2.5 ≤ 2,5  PM10 ≤ 5
 

SUP2

(Medium) PM 2.5 ≤ 5
PM10 ≤ 10

SUP3
(Moderate) PM 2.5 ≤
7.5 PM10 ≤ 15

SUP4 (Low) PM2.5 ≤ 10  PM10 ≤  20SUP5 (Very low) PM 2.5 ≤ 15 PM10 ≤ 30
CategorizeePM1ePM1ePM 2.5ePM10ePM10

ODA 1 (Clean
air) PM 2.5 ≤ 10 µg/m³ and
PM10 ≤ 20 µg/m³

60%50%60%60%50%

ODA 2
(Dust & Gas) PM 2.5 ≤ 15 µg/m³ and
PM10 ≤ 30 µg/m³

80%70%70%80%60%

ODA 3
(Poor) PM 2.5 > 15 µg/m3 and
PM10 > 30 µg/m3

90%80%80%90%80%

 

EXHAUSTO therefore offers pre-filtration for VEX300T, VEX200 and VEX4000

Filter guide from Eurovent

The association Eurovent has developed a guide to filters that can be recommended.

Get the guide here