FIT MODELS - The vacuum filters are compatible with for DuoClean Powered Lift-Away Upright Vacuum AZ1000, AZ1000W, AZ1001, AZ1002, AZ1002BRN, AZ1002C, AZ1002NP, AZ1003, AZ1003BRN, AZ1500WM, AZ1501, compatible with for Rotator Powered Lift-Away Deluxe XL Capacity TruePet NV650, NV650W, NV651, NV651Q, NV652, NV750W, NV751, NV752, NV752BRN, NV755, NV765, NV830, NV831, NV835, UV541CCO, UV795, AX950, AX951, AX952, ZU632, ZU881, ZU885. Compare to Part # XHF650& XFF650. HIGHLY PERFORMANCE - This complete vacuum filter system is made up of a combination of parts. Includes 4 foam filers with 60 density and ultra-thick felt filters with a textured , uses the latest technology to absorb small particles such as food, hair, dirt and pet dander. 2 premium vacuum filters with H12 efficiency to trap 99.97% of particles as small as 0.3 microns in size. PREMIUM MATERIAL - Made of high-strength materials to optimal performance. EASY TO REPLACE - Clean by hand washing in warm water and let it completely air dry before reusing them. Regularly clean filters improve suction and performance, recommend to replace the foam/felt filter every 3 months and your filter every 6 months. Color:Black & White Material:Plastic + foam Package Contents: 2 * post-filter 4 * foam filter 4 * sponge filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.