2 PACK OF REPLACEMENT VACUUM FILTER COMPATIBLE WITH DYSON PART # 911236-01 PRE FILTER. FITS DYSON DC17 VACUUM MODEL. It's essential for premium, deep cleaning across any surface. | | CLEAN AND HEALTHY LIFESTYLE: Our vacuum filter part ensures deeper and cleaner surfaces. Have confidence with a refreshing home, house, office, apartment, condo, or high-rise. It's also washable and reusable. An excellent investment and cost effective. Our part ensures deeper and cleaner surface. | | SIMPLE AND EASY TO INSTALL: Switch out in less than five (5) minutes, providing time efficiency. Get back to daily activity quickly and make a big difference with air quality in the process. Simply remove the older and dirty filter and replace. Enjoy a clean, fresh, premium, heavy duty equipment. Our round vacuum filter helps get back to daily activity quickly and make a big difference with air quality in the process. This filter helps remove household dust, fine powders, drywall with ease. | | LONG .