【COMPATIBLE MODEL】Suitable for DC39 Animal, DC39 Multi Floor, DC39 Multi Floor Complete, DC39 Animal Complete and DC39i, DC53 ErP Total Clean vacuum cleaner, DC28C Allergy Parquet, DC28C ErP Multi Floor, DC28C ErP Musclehead, DC28C ErP I, DC33, DC37. 【WASHABLE AND REUSABLE】The pre-filters can be washed and used repeatedly, it is more economical. 【Effective function】Effectively absorbs fine dust, pollen, pet hair, mold, bacteria, smoke, bad odors, chemical gases, etc., allowing you to breathe more comfortably. 【HIGH-QUALITY MATERIALS】These pre-filters are made of high-quality breathable material to capture allergens and protect the motor to ensure a long service life. Lifetime. 【Easy Installation】Perfect fit and easy to install. Simply remove the old filter and replace it with a new one.