TY - GEN AU - Carl W Coblentz AU - Paul R Achenbach C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1960-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.RPT.6629 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1960 TI - Performance tests of a Farr replaceable media air filter, model HP-2 ::manufactured by Farr Company Los Angeles, California ER -