Field glossaryin. wg / in. w.c.Inches of water column, the field unit for static pressure; 1 in. wg is about 249 PaUsed across 2 Anvilfield field guides, most in Datacenter. Where this shows upDatacenterCRAC/CRAH airflow setupHVACExternal static pressure field guide Related termscfmAffinity lawsCFM per tonCRACCRAHDelta-TEC fanTile open area Back to the full field glossary