Ammonia filter class K1 (regular capacity).
Plastic polypropylene. No metal parts.
Used against ammonia vapour. The filter fits into the filter attachment of Sundström's half and full face masks. An SR510 particle filter can be snapped onto the front of the filter. Two identical K1 filters can also be used with the SR500 PAPR by using filter adaptors.
— Largest diameter: 106 mm
— Thickness: 28 mm
The filter contains 80 g of activated carbon.
In tests with 1,000 ppm ammonia at 30 l/min, the filter lasts for 60-90 minutes (standards requirement: >50 min)
— At 30 l/min: 45–50 Pa (standards requrement: <100 Pa)
— At 95 l/min: 200 – 220 Pa (standards requirement: <400 Pa)
Store at room temperature in clean, dry place. If seal has been broken, store away from contaminants in an air-tight container. Shelf life is 5 years if seal is unbroken. Expiry date printed on filter.