REED AIR IS CLEAN AIK
The lower illustration shows a single Reed Air Filter unit. Because of this unit principle, Reed Air Filters are easily adapted to any ventilation requirements at relatively little cost.
Baltimore Schools Reorder REED AIR FILTERS
after six-months test
Six months after Reed Air Filters were installed in the Clifton Park High School, Baltimore, an installation was ordered for the Frank Douglas High School of that city.
In whatever way Reed Air Filters are tested, whether by practical use or by scientifically conducted tests, they prove their ability to clean a maximum amount of air, most efficiently, with least resistance to air flow and at lowest cost.
Reed Air Filters may be installed in any ventilating system, old or new. Require little space. Send today for any of the bulletins listed on the coupon.
REED AIR FILTER COMPANY, Incorporated
223 Central Avenue, Louisville, Kentucky
Offices in Principal Cities
(REED AIR FILTERS are manufactured under patents of May 16, 1922, Feb. 12, 1924, Nov. 18, 1924. Other patents pending
Above: The Frank Douglas High School, Baltimore, Md. Left: Clifton Park High School, Baltimore, Md. Both schools equioped with Reed Air . Filters.
Specifications of most products advertised in THE AMERICAN ARCHITECT appear in the Specification Manual