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Mask Model K

Our reusable face mask is made of three protectives layers. Each layer has been designed and engineered to fulfill all of Testex requirements. Unlike the MODEL 25, this mask does not need a replacable filter and is fully customizable.

The mask features an adjustable earband to ensure a good fit on all faces.

Size information: Length: 22 cm, Height: 12 cm

Packaging includes a mask and a user manual.

Download french documentation
Download english documentation
Download user manual (EN/FR/IT/GER)

Mask lab results


Air permeability:

109 l/m2/s PN-EN ISO 9237

Splash resistance:

EN 14683: 2019 pour les masques médicaux de type IIR (soit 16 kPa)

Particle filtration efficiency:

BFE: >= 90%,
PFE: 50%<PFE<65%,
FE 1μm: 78%
FE 3μm: 97%

Colour fastness to domestic washing

EN ISO 105 C06 C1S

Colour fastness to perspiration 

EN ISO 105-E04

Colour fastness to saliva 

DIN 53160 – 1

Dimensional change max. ≥ 5 cycles or according to the manufacturer’s data at ≥ 60°C

EN ISO 6330/3759 /5077

STANDARD 100 par OEKO-TEX® : libre de tout produit chimique nocif


Complementary informations


80% cotton 20% polyester


124 g/m2 +/- 5g/m2

Abrasion resistance

EN ISO 105 X12

UV resistance

PN ISO 105-B02

Mask Composition

Fabric is produced by Freudenberg medical interlining wich uses innovative technology to provide maximum protection.
Layer 1 (external): Hydrosmus hydrophobic layer
Layer 2 (internal):  HDF H26220 Filtrant layer
Layer 3 (external): Hydrosmus hydrophobic layer

Custom Design

All orders are custom made to suit your needs.

Mask colors: (custom color can be ordered on demand).

Community mask, Reusable mask, testex, swiss covid task force, swiss mask, CMSK


Minimum order quantity: 50
Quantity from 50 – 200 units: CHF 8
Quantity from 200 – 1’000 units: CHF 7 
Quantity superior to 1’000 units: CHF 6 

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