Features: Applicable models: Suitable for VF6000 series WD5500, WD0671, WD6425, WD0970, WD7000, WD1270, WD1280, WD1450, WD1851, WD1680, WD1956, 6000RV, 1000RV, 1200RV, 1250RV, 3410RV, RV2400A, 1400RV, RV2600B, 1650RV, 1620RV, 1610RV, etc. These replacement filter are made of high-quality plastic and high-efficiency filtering materials. Durable and practical. It can reduce the entry of dust, pollens, and other allergen into the air you breathes. Pleated Design: Greatns surface-area can capture more particles, collections 99.97% of particles as small as 0.3 microns in size. REUSABLE: In addition to being ecofriendly and low maintenance, a washable and reusable filter will save you extra-costs on replacement. We suggest that you replace the parts every 3 to 6 months. Regular replacement of parts will help your machine operate at maximums efficiency. Specifications: Material: Plastic Packaging Quantity: 1-Piece/Split Type Size: Approx. 17x21.8cm/6.69x8.58inch Capacity: 5-20gallons Package Includes: 1set Filter note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.