New York Blower Single-Width centrifugal fan. Size 270. Class II. The blower has an estimated 15,000 cfm @ 4" static pressure with a 15 hp 1800 rpm motor. Blower has a 29.25" diameter outer inlet tapering to 17" and a 22" x 27.5" outlet with louvers. The blower's fan blade is 27" diameter x 11" wide. Shop # V4699. Requires motor.