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NBS Chorus Features and pricing Book a demonstration Sign in to NBS Chorus Other tools National BIM Library Uniclass 2015 Construction Information Service (CIS) Plug-ins

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Knowledge Sample Specification Case studies Authors

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Selection Guide SG 7/91 Air filters - a selection guide (Withdrawn)

Publication Year

1991

Document Status

Withdrawn

Publisher Information

BSRIA Limited

BSRIA was founded in 1956. It is a consultancy, test and research organisation which publishes technical notes and guidance for designers and specifiers of building services.

Old Bracknell Lane West
Bracknell
Berkshire
BSRIA
UK

Website: https://www.bsria.com/uk/
Email: bsria@bsria.co.uk
Tel: +44 (0)1344 465600