DriPak ® Designed for high performance in demanding operating conditions, the DriPak extended surface pocket filters are perfect as prefilters and final filters for particulate removal where clean air is required. DriPaks are an excellent choice for healthcare facilities, automotive paint booths, commercial buildings, and various industrial applications. Manufactured by AAF International, the original developers of the extended surface pocket filter, DriPak has set the industry standard for over 40 years.