Aprilaire Whole House Air Purifier, High Efficiency Air Cleaner w/ Controls VOLTS:24 / PHASE:SINGLE / AMPS:2 MAX CURRENT / CFM:800-2000 EQUIPMENT WEIGHT:400 LB MAX STATIC LOAD / HUMIDITY ENVIRONMENT:0-90% NON-CONDENSING / MERV RATING:13 OPENING DIMENSIONS:15-1/2"H X 23-7/8"D / OVERALL DIMENSIONS:20-7/8"H X 6-3/4"W X 30"D PRODUCT INCLUDES:MODEL #413 16" X 25" MEDIA FILTER WITH SELFSEAL MADE IN USA