ab CHF 3.90

Stork G91-350 - F7 envelope filter / as of June 2002

Article no.: EFS-990212207
from 1 Qty. CHF 13.20
from 10 Qty. CHF 10.55
from 50 Qty. CHF 9.90
CHF 13.20
incl. VAT plus plus shipping fees (Free shipping from CHF 100.00)
Shipping costs
PostPac (Priority) CHF 4.50
PostPac (Economy) CHF 3.90
Pick up in Gossau ZH CHF 0.00
immediately available from own stock | larger quantity than stock in short time available
126 items in stock Gossau (ZH)



Product details

Delivery scope 1x envelope filter F7
Installation manual Yes
Filter size 380 x 200 mm
Filter class according to EN 779 F7
Filter class according to ISO 16890 ePM2.5 60%
Suitable for the following device Stork G90-300 (from June 2002)
Zehnder G90-300 (from June 2002)
Stork G91-350 (from June 2002)
Zehnder G91-350 (from June 2002)
Filter type Envelope filter with adhesive tape and tabs for the metal rods
Original Art.-Nr. 990212207

Additional information

New version!

A new, improved version has been available since December 2023. These improvements concern the size, which fits better into the system, and the holder for the metal rods on the handle. These can be inserted better into the product.


Our Service+

Simple and uncomplicated labeling

To facilitate the correct insertion of the filter, the filters are labeled with the necessary information.

Tested quality

The filter is manufactured and tested in accordance with the applicable standards. You can rely on the best quality and the best filter properties.

Regular filter replacement

We recommend regularly checking the filter and replacing it. Fresh filters for clean air!

G4 / F7 are not article numbers

"G4" and "F7" are designations for the filter class. The supply air usually has an F7 filter in use and the exhaust air usually requires a G4 filter. Check the dimensions and system designation for the correct filters.

Reminder service

Use our reminder service. Simply specify your desired deadline in the order process. You will receive a mail with your product - very simple, without re-entering your address.