<h3>Key features</h3><ul> <li>Made of high-strength and environmental protection material</li> <li>The filter screen can keep the cleaning performance of the sweeper and reduce the penetration of dust into the air you breathe</li> <li>It is suggested that it should be replaced every 1 -2months.</li> <li>Care Instructions: 1. Wash the ?lters regularly using warm, soapy water 2. It is very important that the ?lters are completely dry before (24 hours)</li> <li>Package Contents: 4*Filter</li> </ul><p>Features: *100% brand new and high quality. *Made of high-strength and environmental protection material *Easy to install. *It can filter fine dust very well. *The filter screen can keep the cleaning performance of the sweeper and reduce the penetration of dust into the air you breathe *It is suggested that it should be replaced every 1 -2months. *Care Instructions: 1. Wash the ?lters regularly using warm, soapy water 2. It is very important that the ?lters are completely dry before (24 hours) Specifications: *Replace part number:N593505 *Applicable model:For BLACK+DECKER BHHV320B BHHV320J BHHV520BF BHHV520BFP BHHV520BT BHHV520JF *Color: As Pictures Show *Material: Plastic Package Contents: 4*Filter Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.</p><p>Free shipping on orders $50+. 30-day hassle-free returns.</p>