Recommended
Sundström SR 221 Pre-Filters (set of 5)
At a glance
- Prolongs the life of filters
- Suitable for SR 900 masks
- Supplied in a pack of 5
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These pre-filters extend the life of Sundström gas filters. The SR 221 pre-filter ensures that the main filter will not be prematurely clogged by large particles. The pre-filter is easily installed in the pre-filter holder. See the schematic picture of all parts.
Explanation of photo (the pre-filter is part J):
A. Mask body.
B. Filter attachment.
C. Headbands.
D. Valve for exhalation membrane.
E. Exhalation membrane.
F. Valve for inhalation membrane.
G. Inhalation membrane.
H. Protective cap.
I. Filters.
J. Pre-filter.
K. Pre-filter holder.
We recommend to replace the pre-filter regularly (daily in case of daily use). The Sundström SR 221 (pre-filter) is suitable for Sundström SR 900 face masks and the corresponding gas filters.
Specifications
Package contents: 5 filters
Type: (pre)filter
Material: polyester
Thickness: 1 mm
Diameter: 102 mm
Weight: 1.1 grams
Pressure drop: 2 Pa (at 30 l/min)
Approved: CE Category I
Suitable face mask: Sundström SR 900
Product properties
The key technical properties clearly listed in one place.
- Article number
- PER001292
-
The technical product category, such as primer, resin, hardener or cleaner. It explains the product's purpose and helps you find other products with a similar function.
- Vapor and dust filters, Accessories
- Diameter
- 102 mm
-
The physical thickness of the supplied material, such as a panel, pad, film or foam sheet. This differs from the thickness of a liquid coating applied to a surface.
- 1 mm
-
The stated weight of a product or component. For liquids and powders this usually refers to the net contents, while the weight of a tool can affect how comfortable it is to use.
- 1.1 g
-
The parts and accessories supplied as standard, such as a complete set of components, separate accessories or a machine with attachments. Product photographs may also show items that are not included.
- Per 5 pieces
-
The base material a product or part is made from, such as HDPE, aluminium, glass fibre or foam. Material choice affects weight, stiffness, chemical resistance and how the part can be worked or processed.
- Polyester
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