Buy from Amazon.com : http://cheap.waitmejapan.com/?asin=B00DUW3BI8
Honeywell FR8000F2025 Pleated Air Filter 20 x 25 MERV 15 5 Pack
Product Description :
MERV 15
Static Pressure Drop in wc 025
Used with Honeywell FH8000F2025
5 pack of factory original Honeywell Filters
Nominal filter size 20 x 25